1、take up

开始从事;喜欢上

He did not particularly want to take up a competitive sport.

他并不特别想从事竞技体育运动。

He left a job in the City to take up farming.

他辞去伦敦商业区的工作，开始务农。

开始处理;讨论如何处理

Mr de Garis's MP, Max Madden, took up the case.

德加里斯先生的下议员马克斯·马登开始着手处理这个问题。

Most scientists who can present evidence of an environmental threat can reasonably assume that a pressure group will take up the issue.

能够提供环境威胁证据的大多数科学家都有理由认为，环保团体不会放过这个问题。

接受，答应(提议或挑战)

Increasingly, more wine-makers are taking up the challenge of growing Pinot Noir.

越来越多的酿酒商开始接受种植黑皮诺葡萄的挑战。

96 per cent of the eligible employees took up the offer.

符合条件的雇员有 96% 接受了这个条件。

2、infiltrate

渗透，潜入(地方、组织中等)

Activists had infiltrated the student movement.

激进分子已经渗入到了学生运动中。

The street protests had been infiltrated by people bent on violence.

街头抗议的人群中已经渗入了一些倾向于暴力的人。

使渗入;使渗透

Some countries have infiltrated their agents into the Republic.

一些国家已派间谍渗入了该共和国内部。