catch up

赶上, 很快拾起, 缠住

例句与用法：

Old age and infirmity had begun to catch up with him.

他开始显出年老体衰的样子了。

Staff must stay behind after hours to catch up on their work.

下班後工作人员需要留下来把工作赶完。

She walked too slowly to catch up with us.

她走得太慢，跟不上我们。

We'll do all we can to catch up the world level.

我们会尽力来达到世界水平。

He walked too slowly to catch up with me.

他走得太慢而不能跟上我。

We have done all we could to catch up with them.

我们已经尽了一切可能来赶上他们。

I have to work hard to catch up with the other students.

要想赶上其他同学，我得特别努力才行。

He shut himself away for a month to catch up on his academic work.

他与世隔绝一个月，力图把功课赶上去。

详细释义：

1. 很快拾起

The thief caught up the money and ran away.

小偷一把抓起钱, 逃之夭夭。

2. 赶上

They started a few minutes ago, and we must hurry to catch up.

他们几分钟前已出发, 我们必须赶紧追上。

3. 缠住

It seemed that she was always caught up in the household.

看来她总是家务缠身。