Many phrasal verbs are idiomatic,

so their meaning isn't immediately obvious.

But if you understand the situation

and the feelings of the speaker,

the definition of a phrasal verb usually sinks in.

What does this phrasal verb mean?

Look at these examples.

"Sink in" is intransitive.

It has no object.

Were you always good at math

and quick to solve problems?

Or did it take time for a math lesson to sink in.

Let's review the three phrasal verbs

we've studied so far with a short quiz.

Read the statement to yourself.

Which phrasal verb completes it?

It took a few seconds for the news to sink in.

Sheila and Greg let their parents in on their secret...

...help them come up with some possible baby names.