1、catch up with

捕獲;擒獲;捉拿到

The law caught up with him yesterday.

昨天，他被捉拿歸案。

和…算舊賬；使…最終嘗到苦果

Although he subsequently became a successful businessman, his criminal past caught up with him.

盡管后來他成了事業有成的生意人，以前的犯罪前科終究讓他嘗到了苦果。

2、build up

（使）積聚；（使）逐漸增加

The regime built up the largest army in Africa.

該政權逐漸建立起一支非洲規模最大的軍隊。

The collection has been built up over the last seventeen years.

在過去的17年中，收藏的規模不斷擴大。

增強…的體質；建立…的信心

Build her up with kindness and a sympathetic ear.

用友善和富有同情心的傾聽來重拾她的信心。

Dr. Johnson and I have been trying to build him up physically.

約翰遜醫生和我一直試圖增強他的體質。

吹捧；抬舉

The media will report on it and the tabloids will build it up.

媒體會報道此事，小報則會大肆吹捧。

Historians built him up as the champion of parliament.

歷史學家把他譽為議會的捍衛者。

3、catch on

明白;認識到

He got what he could out of me before I caught on to the kind of person he'd turned into.

我還沒有意識到他已經變成了那樣的人，他就已經從我這兒把能套走的都套走了。

Wait a minute! I'm beginning to catch on.

等一下！我開始有點懂了。

時興;流行

The idea has been around for ages without catching on.

這個觀點已經提出來有年頭了，可是一直沒被廣泛接受。