1、hang around

（在某处）等待，闲逛，闲呆着

He got sick of hanging around waiting for me.

他等我都等烦了。

On Saturdays we hang about in the park.

每到星期六我们都在公园里闲逛。

经常和…在一起;经常泡在

They usually hung around together most of the time.

大多数时间他们通常都泡在一起。

Helen used to hang round with the boys.

海伦以前常和那些男孩子们厮混。

2、build up

（使）积聚；（使）逐渐增加

The regime built up the largest army in Africa.

该政权逐渐建立起一支非洲规模最大的军队。

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

在过去的17年中，收藏的规模不断扩大。

增强…的体质；建立…的信心

Build her up with kindness and a sympathetic ear.

用友善和富有同情心的倾听来重拾她的信心。

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

约翰逊医生和我一直试图增强他的体质。

吹捧；抬举

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

媒体会报道此事，小报则会大肆吹捧。

Historians built him up as the champion of parliament.

历史学家把他誉为议会的捍卫者。