1、pull back

退出；退却

They will plead with him to pull back from confrontation.

他们将请求他退出冲突。

The British government threatened to make public its disquiet but then pulled back.

英国政府威胁要将其担忧公之于众，但后来没有这么做。

（使）撤退；（使）撤离

They were asked to pull back from their artillery positions around the city.

他们被要求从城市周围的炮兵阵地上撤出。

He pulled back forces from Mongolia, and he withdrew from Afghanistan.

他从蒙古撤军，并且撤离阿富汗。

2、come back

回忆起;回想起来

He was also an MP — I'll think of his name in a moment when it comes back to me.

他当时也是一位国会议员，他的名字我得想一下才能记起来。

When I thought about it, it all came back.

当我回想起来，往事全都涌上了心头。

重新流行;再度时兴

I'm glad hats are coming back.

我很高兴又开始流行戴帽子了。