catch on

To understand; perceive.

理解；察觉

To become popular

变得流行

Skateboarding caught on quickly.

滑板运动很快就流行起来

catch out

To detect (another) in the act or process of wrongdoing.

侦测错误：侦测（另一人）正在犯错的行为或过程

catch up

To snatch

抢夺

The mugger caught the wallet up and fled.

匪徒抢了钱夹并逃走了

To detect (another) in a mistake or wrongdoing

指出错误，指出差错：指出（另一人）错误或差错

Auditors caught up with the embezzler.

查帐员查出了那个侵占公款者

To come up from behind; overtake.

超过：从后面赶上来；超过

To become involved with, often unwillingly

着迷；吸引住

was caught up in the scandal.

涉及丑闻

I was caught up in the mood of the evening.

我沉醉在夜晚的情调中

To bring up to date; brief

使接近：将一项工作引向接近完成

Let me catch you up on all the gossip.

让我把所有的流言蜚语简要地说给你

I must catch up on my correspondence.

我必须尽快写完我的回信

catch someone napping

见 nap

be caught short

catch at straws

catch one's breath

draw one's breath in sharply as a reaction to an emotion

（激动得）停止呼吸；屏息

recover one's breath after exertion

缓口气，歇口气

catch one's death (of cold)

catch someone's eye

be noticed by someone

被看到

a vase on a side table caught his eye.

墙边桌上的一个花瓶吸引了他的视线。

attract someone's attention by making eye contact with them

（用眼神）吸引某人的注意

he caught Eva's eye and beckoned.

他捕捉到伊娃的眼神，并向她示意。

catch fire (或 light)

become ignited and burn

着火，燃烧

catch someone in the cat

catch light

catch the light

shine or glint in the light

（在光线中）发光，闪光

catch sight of

suddenly notice; glimpse

撞见；瞥见