The phrasal verb catch on can mean 'understand or comprehend'.

动词短语 catch on 意思是 “明白或理解”。

And in spoken English, people prefer phrasal verbs to their one-word alternatives.

在英语口语中，喜欢使用动词短语而不是单个词语。

They may be chunks, maybe collocations, phrasal verbs, idioms, grammatical chunks, lexical chunks.

它可能是组块，可能是搭配，短语动词，习语，语法组块，词汇组块。

So it's not asking you to include at least 20 phrasal verbs, for example.

所以它不是在要求你使用至少二十个短语动词。

Today we are looking at phrasal verbs for complimenting someone and criticizing them.

今天我来讲讲赞美或批评某的动词短语。

" To wax lyrical about" , kind of an unusual phrasal verb, this one.

“对谁抒情”，这是个不寻常的动词短语。

We talked about the phrasal verb fall for.

我谈到了动词词组" 信以为真" 。

And finally there was the phrasal verb to go off.

最后还有动词词组" 发出警报" 。

So, notice phrasal verbs, they're useful, okay?

注意动词短语，它很有用。

Don't forget phrasal verbs. Some phrasal verbs, in fact, a lot of them are idiomatic.

不要忘记短语动词。一些短语动词，事实上，其中很多是习惯用法。

The phrasal verb take off means to suddenly become popular or successful.

动词短语“take off”的意思是突然变得流行起来或成功。

Today is day 3 and we're studying 'cut' phrasal verbs.

今天是第3天，我学习关于cut的动词短语。

The phrasal verb put someone at ease means to make someone feel calm and relaxed.

短语动词put someone at ease意味着让某感到平静和放松。

OK. So, this is a phrasal verb.

好的。这是一个动词短语。

Yes, and this is a phrasal verb we can use with lots of other situations.

是的，这是一个动词短语，我可以在很多其他情境中使用它。

This is a slightly more formal phrasal verb.

这是一个稍微正式一点的动词短语。

Okay, then Keith, I'm gonna ask you some questions using those phrasal verbs.

好吧，基思，我要用这些动词短语问你一些问题。

OK. So, 'use up' together is phrasal verb, right?

好的。所以，“use up”放在一起是动词短语，对吧？

Yeah. And you used the phrasal verb 'speed up' there, which also means 'accelerate'.

是的。你在这里用到了动词短语“speed up”，也就是“加速”的意思。

" Set up" is a phrasal verb which means to build or make something.

set up是一个短语动词，意思是搭建，建立。