Vocabulary

  • have to: Must do
  • on demand: Whenever requested or needed.
  • come back: To reply to someone, often forcefully
  • on to: Toward something; forward
  • move on: To decide to change or go to a different place
  • on the order of: Approximately; about a certain amount or number.
  • get a sense: To understand or perceive something intuitively.
  • enter into: To begin or become involved in something, such as an agreement or activity.
  • in the air: Present or circulating in the atmosphere.
  • permanent record: An official document that is kept forever.
  • regardless of
  • at some point: At an unspecified time, usually in the future.
  • over to: Used to hand over to someone else to speak
  • in the closet: Keeping something, often sexual orientation, secret.
  • move around: To change position or location; to go from place to place.
  • push back: To force someone to withdraw or retreat
  • in a row: One after another without a break.
  • in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
  • for free: Without charge; at no cost.
  • instead of: When one thing is replaced by another
  • interact with
  • school district: A specific geographic area or region responsible for the administration and operation of public schools.
  • work at: To have a job at a particular place or organization.
  • in school: Attending an educational institution.
  • see in: To accompany someone to the entrance of a building or room.
  • have on: To be wearing something.
  • fill out: To become fatter
  • figure out: To understand the behavior of someone
  • race ahead: To progress or advance very quickly; to be in a leading position.
  • hold on: To wait for someone (e.g. on a phone call)
  • in person: Physically present; not by proxy or remotely.
  • fill in: To put earth in e.g. a hole
  • drop out: To take no part in a society you disapprove of
  • next to: Being located along side another
  • classroom: Room in a school where lessons take place
  • student: Person studying at school
  • talk: Style of speaking
  • learn: To get knowledge or skills by study or experience
  • kind: In a caring and helpful manner
  • class: To place things into groups by common qualities
  • teacher: Person who teaches others, especially in a school
  • give: Degree of flexibility in something, a material
  • orange: Being a color that is a mixture of red and yellow
  • week: Period of seven days from Sunday to Saturday
  • girl: A female child; a young woman
  • lot: What happens to a person in life from chance; fate
  • time: Speed at which music is played; tempo
  • people: Persons sharing culture, country, background, etc.
  • start: First time or place that a thing exists; beginning
  • exam: (Medical) test to find out what is wrong
  • bit: Device put in a horse's mouth to control it
  • kid: Child or young person
  • deep: Complex and important
  • instruction: A command for someone formally to do something
  • happen: To take place or occur
  • video: Recording capturing action with sound
  • move: To cause someone to have certain emotions
  • site: Place that is reserved for a particular activity
  • pretty: Being attractive to the eye in a simple way
  • college: School or educational institution for adults
  • project: To predict what will happen in the future
  • calendar: A table showing the days, months and years
  • software: Computer applications and systems
  • girlfriend: Romantic female friend of a man or boy
  • audience: Group of people attending a play, movie etc.
  • grade: To give a road the required angle of slope
  • education: Academic field studying the practice of teaching
  • lecture: To speak to someone to show anger or warn them
  • organization: Group of people with a particular purpose
  • reporter: Someone whose job is to report news
  • base: Place military personnel live, train, and operate
  • thought: To have an idea about something without certainty
  • invent: To create something such as a story or excuse
  • demand: Desire customers have to buy product, service
  • background: Images, color, or information behind the main one
  • curriculum: Group of related courses in a school or college
  • technology: Use or knowledge of science in industry etc.
  • user: Person that uses a service/thing, e.g. a website
  • conference: Series of lectures held as an event
  • mastery: Total control over something
  • pace: Rate of speed at which something moves or happens
  • closet: Small room or cupboard used for storing things
  • data: Facts or information used to calculate or analyze
  • ensure: To make something sure, certain, or safe
  • interact: To talk or do things with each other
  • emphasize: To stress the items that are important
  • committee: Group of people who do or decide something
  • feedback: A response or opinion, about a service, etc.
  • concept: Abstract idea of something or how it works
  • surface: To give (road) a top layer
  • funding: To supply money for something
  • assign: To give someone a particular job to do
  • daydream: To wonder or imagine fantasies happening
  • juggle: To entertain by throwing and catching balls, etc.
  • assembly: Process of putting the parts of something together
  • intervene: To get involved to try to prevent trouble
  • traction: Force causing moving thing to stick, e.g. on roads
  • galaxy: A group of stars and planets in space
  • midterm: Middle period
  • mathematic
  • resonate: (Of ideas) to have a big impact for a long time
  • hypotenuse: Side of a right triangle opposite the right angle
  • sigma: 18th letter of the Greek alphabet -
  • multiple: Having or involving more than one of something
  • trigonometry: Mathematics of triangles and trigonometric functions
  • automate: To make automatic by using machines
  • heave: To lift or pull something with great effort
  • clipboard: Small writing board with a clip to hold papers
Placeholder Image

    Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • assembly

      US /əˈsɛmbli/

      UK /ə'semblɪ/

      • Noun (Countable/Uncountable)
      • Process of putting the parts of something together
      • Group of people gathered for a purpose
      B1TOEIC
      More
    • assign

      US /əˈsaɪn/

      UK /ə'saɪn/

      • Transitive Verb
      • To give someone a particular job to do
      • To give someone credit or blame for something
      B2TOEIC
      More
    • at some point

      US /æt sʌm pɔɪnt/

      UK /æt sʌm pɔint/

      • Phrase
      • At an unspecified time, usually in the future.
      A1
      More
    • audience

      US /ˈɔdiəns/

      UK /ˈɔ:diəns/

      • Noun (Countable/Uncountable)
      • Group of people attending a play, movie etc.
      A2TOEIC
      More
    • automate

      US /ˈɔtəˌmet/

      UK /'ɔ:təmeɪt/

      • Transitive Verb
      • To make automatic by using machines
      B2TOEIC
      More
    • background

      US /ˈbækˌɡraʊnd/

      UK /ˈbækgraʊnd/

      • Noun (Countable/Uncountable)
      • Images, color, or information behind the main one
      • Someone's personal work and educational history
      • Adjective
      • Done or existing in a less noticeable or important way
      • Hidden or not easily seen
      A2TOEIC
      More
    • base

      US /bes/

      UK /beɪs/

      • Noun (Countable/Uncountable)
      • Place military personnel live, train, and operate
      • Bottom part of an object that touches a surface
      • Transitive Verb
      • To use as the starting point or origin for
      • To have as the main location for (company, etc.)
      A2TOEIC
      More
    • calendar

      US /ˈkæləndɚ/

      UK /ˈkælɪndə(r)/

      • Noun (Countable/Uncountable)
      • A table showing the days, months and years
      • A system for organizing days, weeks, months, and years.
      B1
      More
    • clipboard

      US /ˈklɪpbɔ:rd/

      UK /ˈklɪpbɔ:d/

      • Noun
      • Small writing board with a clip to hold papers
      C2
      More
    • closet

      US /ˈklɑzɪt, ˈklɔzɪt/

      UK /'klɒzɪt/

      • Countable Noun
      • Small room or cupboard used for storing things
      • Transitive Verb
      • To go or put someone into a room for some privacy
      B2
      More
    • college

      US /'kɑːlɪdʒ/

      UK /'kɒlɪdʒ/

      • Noun (Countable/Uncountable)
      • School or educational institution for adults
      • A constituent body of a university.
      A2
      More
    • come back

      US /kʌm bæk/

      UK /kʌm bæk/

      • Phrasal Verb
      • To reply to someone, often forcefully
      • To be remembered
      A1
      More
    • committee

      US /kəˈmɪti/

      UK /kəˈmɪti/

      • Countable Noun
      • Group of people who do or decide something
      • A body of people formally appointed to consider or take action on a particular matter.
      A2
      More
    • concept

      US /ˈkɑnˌsɛpt/

      UK /'kɒnsept/

      • Noun (Countable/Uncountable)
      • Abstract idea of something or how it works
      • A plan or intention; a conception.
      A2TOEIC
      More
    • conference

      US /ˈkɑnfərəns, -frəns/

      UK /ˈkɒnfərəns/

      • Noun (Countable/Uncountable)
      • Series of lectures held as an event
      • An association of US sports teams
      • Intransitive Verb
      • To hold a discussion; consult.
      A2
      More
    • curriculum

      US /kəˈrɪkjələm/

      UK /kə'rɪkjələm/

      • Noun
      • Group of related courses in a school or college
      A2TOEIC
      More
    • daydream

      US /ˈdeˌdrim/

      UK /ˈdeɪdri:m/

      • Intransitive Verb
      • To wonder or imagine fantasies happening
      • Noun
      • Experience of imagining fantasies happening
      B2
      More
    • demand

      US /dɪˈmænd/

      UK /dɪ'mɑ:nd/

      • Noun (Countable/Uncountable)
      • Desire customers have to buy product, service
      • A strong request for someone to do something
      • Transitive Verb
      • To strongly request someone to do something
      • To need something.
      A2TOEIC
      More
    • drop out

      US /drɑp aʊt/

      UK /drɔp aut/

      • Phrasal Verb
      • To take no part in a society you disapprove of
      • To quit school, a club or activity
      • Intransitive Verb
      • To quit a course of study or training.
      A1
      More
    • education

      US /ˌɛdʒəˈkeʃən/

      UK /ˌedʒuˈkeɪʃn/

      • Uncountable Noun
      • Academic field studying the practice of teaching
      • Process of giving or receiving teaching
      A2TOEIC
      More
    • emphasize

      US /ˈɛmfəˌsaɪz/

      UK /'emfəsaɪz/

      • Transitive Verb
      • To stress the items that are important
      B2TOEIC
      More
    • ensure

      US /ɛnˈʃʊr/

      UK /ɪn'ʃʊə(r)/

      • Transitive Verb
      • To make something sure, certain, or safe
      A2TOEIC
      More
    • enter into

      US /ˈɛntɚ ˈɪntu/

      UK /ˈentə ˈɪntuː/

      • Phrasal Verb
      • To begin or become involved in something, such as an agreement or activity.
      A1
      More
    • exam

      US /ɪɡˈzæm/

      UK /ɪgˈzæm/

      • Noun
      • (Medical) test to find out what is wrong
      • Test of your knowledge of, or ability in something
      • Transitive Verb
      • To inspect (someone or something) in detail to determine their nature or condition; investigate thoroughly.
      A2
      More
    • feedback

      US /ˈfidˌbæk/

      UK /ˈfi:dbæk/

      • Noun (Countable/Uncountable)
      • A response or opinion, about a service, etc.
      • Information about reactions to a product, a person's performance of a task, etc. which is used as a basis for improvement.
      • Verb (Transitive/Intransitive)
      • To give information or opinions about something to someone, especially in order to improve it.
      B1TOEIC
      More
    • figure out

      US /ˈfɪɡjɚ aʊt/

      UK /ˈfiɡə aut/

      • Phrasal Verb
      • To understand the behavior of someone
      • To think through logically to find a solution
      • Verb (Transitive/Intransitive)
      • To understand or find an answer to something.
      • To find a solution to a problem or understand something.
      A1
      More
    • fill in

      US /fɪl ɪn/

      UK /fil in/

      • Phrasal Verb
      • To put earth in e.g. a hole
      • To explain the context so that someone understands
      • Verb (Transitive/Intransitive)
      • To write or type information in a blank space.
      • To temporarily do someone else's job.
      A1
      More
    • fill out

      US /fɪl aʊt/

      UK /fil aut/

      • Phrasal Verb
      • To become fatter
      • To complete a form by adding information needed
      A1
      More
    • for free

      US /fɔr fri/

      UK /fɔ: fri:/

      • Phrase
      • Without charge; at no cost.
      • Adjective
      • Available without payment.
      A2
      More
    • funding

      US /ˈfʌndɪŋ/

      UK /ˈfʌndɪŋ/

      • Transitive Verb
      • To supply money for something
      A2
      More
    • galaxy

      US /ˈɡæləksi/

      UK /'ɡæləksɪ/

      • Noun (Countable/Uncountable)
      • A group of stars and planets in space
      B2
      More
    • get a sense

      US

      UK

      • Verb (Transitive/Intransitive)
      • To understand or perceive something intuitively.
      A1
      More
    • grade

      US /ɡred/

      UK /ɡreɪd/

      • Transitive Verb
      • To give a road the required angle of slope
      • To determine the level or quality of something
      • Noun
      • Level or quality of something e.g. a diamond
      • Mark that shows the quality of a student's work
      B1TOEIC
      More
    • have on

      US /hæv ɑn/

      UK /hæv ɔn/

      • Phrasal Verb
      • To be wearing something.
      • To deceive or trick someone, often in a playful way.
      A1
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • heave

      US /hiv/

      UK /hi:v/

      • Transitive Verb
      • To lift or pull something with great effort
      • To throw (something) with effort.
      • Intransitive Verb
      • To breathe with difficulty or effort.
      • To retch or vomit.
      B2
      More
    • hold on

      US /hold ɑn/

      UK /həuld ɔn/

      • Phrasal Verb
      • To wait for someone (e.g. on a phone call)
      • To wait for a short time.
      A1
      More
    • hypotenuse

      US /haɪˈpɑtn:ˌus, -ˌjus/

      UK /haɪˈpɒtənju:z/

      • Noun
      • Side of a right triangle opposite the right angle
      C2
      More
    • in a row

      US /ɪn e ro/

      UK /in ə rəu/

      • Phrase
      • One after another without a break.
      • Arranged in a straight line.
      • Idiom
      • To have an argument.
      A1
      More
    • in person

      US /ɪn ˈpɜːrsn/

      UK /in ˈpɜːsn/

      • Adverb
      • Physically present; not by proxy or remotely.
      • Face-to-face; not through electronic communication.
      A1
      More
    • in school

      US /ɪn skul/

      UK /ɪn sku:l/

      • other
      • Attending an educational institution.
      A1
      More
    • in the air

      US

      UK

      • Phrase
      • Present or circulating in the atmosphere.
      • Felt or sensed by many people; circulating as a rumor or feeling.
      • Adjective
      • Being broadcast on radio or television.
      A1
      More
    • in the closet

      US /ɪn ðə ˈklɑzət/

      UK /in ðə ˈklɒzət/

      • other
      • Keeping something, often sexual orientation, secret.
      B2
      More
    • in the world

      US /ɪn ði wɜrld/

      UK /in ðə wɜː(r)ld/

      • Phrase
      • Used to emphasize a question expressing surprise, confusion, or disbelief.
      • Used to indicate the extent or degree of something, often in a superlative sense.
      A1
      More
    • instead of

      US /ɪnˈstɛd ʌv/

      UK /inˈsted ɔv/

      • Preposition
      • When one thing is replaced by another
      • Adverb
      • As a substitute or alternative.
      A1
      More
    • instruction

      US /ɪnˈstrʌkʃən/

      UK /ɪn'strʌkʃn/

      • Noun (Countable/Uncountable)
      • A command for someone formally to do something
      • Act of teaching or explaining to others
      • Uncountable Noun
      • Information about how to do or use something
      A2TOEIC
      More
    • interact

      US /ˌɪntɚˈækt/

      UK /ˌɪntər'ækt/

      • Intransitive Verb
      • To talk or do things with each other
      A2
      More
    • interact with

      US /ˌɪntɚˈækt wɪð/

      UK /ˌɪntərˈækt wið/

      • Phrase
      • Verb (Transitive/Intransitive)
      • To engage in communication or action involving mutual or reciprocal influence.
      • To use a computer interface to achieve a specific goal.
      A2
      More
    • intervene

      US /ˌɪntərˈvi:n/

      UK /ˌɪntəˈvi:n/

      • Intransitive Verb
      • To get involved to try to prevent trouble
      • To interrupt a situation, argument, etc.
      B1
      More
    • invent

      US /ɪnˈvɛnt/

      UK /ɪnˈvent/

      • Transitive Verb
      • To create something such as a story or excuse
      • To create something useful for the first time
      A2TOEIC
      More
    • juggle

      US /ˈdʒʌɡəl/

      UK /ˈdʒʌgl/

      • Verb (Transitive/Intransitive)
      • To entertain by throwing and catching balls, etc.
      B2
      More
    • kid

      US /kɪd/

      UK /kɪd/

      • Countable Noun
      • Child or young person
      • Young goat
      • Adjective
      • Made from young goat skin
      A2
      More
    • lecture

      US /ˈlɛktʃɚ/

      UK /'lektʃə(r)/

      • Transitive Verb
      • To speak to someone to show anger or warn them
      • To give a talk or speech about a subject
      • Noun (Countable/Uncountable)
      • Telling someone off for doing something wrong
      • Talk or speech about a particular subject
      A2TOEIC
      More
    • mastery

      US /ˈmæstəri/

      UK /'mɑ:stərɪ/

      • Uncountable Noun
      • Total control over something
      A2
      More
    • move around

      US /muv əˈraʊnd/

      UK /mu:v əˈraund/

      • Phrasal Verb
      • To change position or location; to go from place to place.
      • Intransitive Verb
      • To spread or circulate (e.g., information, rumors).
      More
    • move on

      US /muv ɑn/

      UK /mu:v ɔn/

      • Phrasal Verb
      • To decide to change or go to a different place
      • To start talking about something different.
      A1
      More
    • multiple

      US /ˈmʌltəpəl/

      UK /ˈmʌltɪpl/

      • Adjective
      • Having or involving more than one of something
      • Having or involving several parts, elements, or members.
      • Countable Noun
      • Number produced by multiplying a smaller number
      • A number of identical circuit elements connected in parallel or series.
      B1
      More
    • next to

      US /nɛkst tu/

      UK /nekst tu:/

      • Preposition
      • Being located along side another
      • In comparison with
      • Adverb
      • Almost; nearly
      A1
      More
    • on demand

      US /ɑn dɪˈmænd/

      UK /ɔn diˈmɑ:nd/

      • Adverb
      • Whenever requested or needed.
      • Adjective
      • Available whenever the customer wants it.
      B1
      More
    • on the order of

      US /ɑn ðə ˈɔrdɚ ʌv/

      UK /ɒn ðə ˈɔ:də ɒv/

      • Preposition
      • Approximately; about a certain amount or number.
      C1
      More
    • on to

      US /ɑn tu/

      UK /ɔn tu:/

      • Preposition
      • Toward something; forward
      • Aware of someone's activities.
      • Adjective
      • Aware of someone's deception or illegal activities.
      A1
      More
    • organization

      US /ˌɔrɡənɪˈzeʃən/

      UK /ˌɔ:gənaɪˈzeɪʃn/

      • Noun (Countable/Uncountable)
      • Group of people with a particular purpose
      • The way in which something is structured or arranged.
      A2
      More
    • over to

      US

      UK

      • Preposition
      • Used to hand over to someone else to speak
      • The responsibility is now yours
      More
    • pace

      US /pes/

      UK /peɪs/

      • Noun (Countable/Uncountable)
      • Rate of speed at which something moves or happens
      • Single step, often used to measure a distance
      • Verb (Transitive/Intransitive)
      • To set and control your speed, as in a race
      • To walk with slow purposeful steps
      A2
      More
    • permanent record

      US

      UK

      • Noun
      • An official document that is kept forever.
      • A student's academic history that is kept indefinitely.
      B1
      More
    • push back

      US /pʊʃ bæk/

      UK /puʃ bæk/

      • Phrasal Verb
      • To force someone to withdraw or retreat
      • Verb (Transitive/Intransitive)
      • To resist or oppose something.
      • To move something to a later time or date; to postpone.
      A1
      More
    • race ahead

      US

      UK

      • Phrasal Verb
      • To progress or advance very quickly; to be in a leading position.
      B1
      More
    • regardless of

      US /rɪˈɡɑrdlɪs ʌv/

      UK /riˈɡɑ:dlis ɔv/

      • Phrase
      • Preposition
      • Without being affected or influenced by something; despite.
      A2
      More
    • resonate

      US /ˈrɛzəˌnet/

      UK /'rezəneɪt/

      • Intransitive Verb
      • (Of ideas) to have a big impact for a long time
      • (E.g. of a bell) to sound clearly for a long time
      C2TOEIC
      More
    • school district

      US

      UK

      • Noun
      • A specific geographic area or region responsible for the administration and operation of public schools.
      B1
      More
    • see in

      US /si ɪn/

      UK /si: in/

      • Phrasal Verb
      • To accompany someone to the entrance of a building or room.
      A1
      More
    • sigma

      US /'sɪɡmə/

      UK /ˈsɪgmə/

      • Noun
      • 18th letter of the Greek alphabet -
      C1
      More
    • site

      US /saɪt/

      UK /saɪt/

      • Noun (Countable/Uncountable)
      • Place that is reserved for a particular activity
      • Location of building work
      • Transitive Verb
      • To place something in a particular position, area
      A2TOEIC
      More
    • surface

      US /ˈsɚfəs/

      UK /'sɜ:fɪs/

      • Transitive Verb
      • To give (road) a top layer
      • Intransitive Verb
      • To appear after being hidden, unseen, or unknown
      • To come to the top of something; emerge
      A2TOEIC
      More
    • technology

      US /tɛkˈnɑlədʒi/

      UK /tek'nɒlədʒɪ/

      • Uncountable Noun
      • Use or knowledge of science in industry etc.
      • Machinery and equipment developed from scientific knowledge.
      A2TOEIC
      More
    • traction

      US /ˈtrækʃən/

      UK /ˈtrækʃn/

      • Uncountable Noun
      • Force causing moving thing to stick, e.g. on roads
      C1
      More
    • video

      US /ˈvɪdiˌo/

      UK /'vɪdɪəʊ/

      • Noun (Countable/Uncountable)
      • Recording capturing action with sound
      • A recording of moving visual images made digitally or on videotape.
      • Transitive Verb
      • To make a moving film of, with sound
      • To make a video call.
      A2
      More
    • work at

      US /wɚk æt/

      UK /wə:k æt/

      • Phrasal Verb
      • To have a job at a particular place or organization.
      • To make an effort to improve something.
      A1
      More
    Video not in English?
    Video not in English?

    Get the full experience in the app

    Learn anywhere with detailed sentence and usage analysis

    preview
    01:03

    She took a brave step forward, leaving behind her comfort zone to chase her dreams.

    Vocabulary
    • brave

      adj. Having courage

    • comfort zone

      phr. A familiar situation where one feels safe

    Explanation
    a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step". forward is an adverb modifying step, meaning "ahead". The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.

    Get the full experience in the app

    Look up words anytime with pronunciation, part of speech, and usage

    preview

    brave

    US/brev/
    UK/breɪv/
    adj.Brave
    v.t.To bravely face
    A2 Elementary

    Get the full experience in the app

    Practice speaking anytime and get instant pronunciation feedback

    preview

    Try this speaking exercise.

    Try practicing with this sentence.

    80
    A2
    #juggling#audience laughing#classroom#student#grade#math

    TEDxSanJoseCA - Salman Khan - (Sequel to talk at TED)

    0
    Ian WU posted on 2015/09/10
    Ever wondered how to make learning truly personalized? Salman Khan, the brilliant mind behind Khan Academy, shares his vision for mastery learning and the flipped classroom in this insightful TED Talk. You'll pick up advanced vocabulary and see how these educational ideas play out in real-world scenarios!

    Learn this video on the APP!

    The VoiceTube App has more in-depth practice for videos!

    Recommended Videos

    Auto Next Video

    Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved