act重要短语用法集注
1 act as 担任,充当,起……的作用。如:
A trained dog can act as a guide to a blind person. 经过训练的狗可以担任盲人的向导。
表示担任独一无二的职务,其前通常不用冠词。如:
He acted as manager in my absence. 我不在时他担任经理。
I don’t understand their language; you’ll have to act as
interpreter. 我不懂他们的语言,你得当翻译了。
2 . act for 代理,代为。如:
Please act for me during my absence. 我不在时请代理我处理事务。
I acted for our captain while he was in hospital. 我们队长住院时由我代理他。
3 . act out 表演出来。如:
Let’s act out the story of the three bears once more. 让我们再把这三只熊的故事表演一次吧。
4 . act on 对……起作用,对……有效。如:
The drug acts on the stomach. 这药对胃有效。
Alcohol acts on the nervous system. 酒精对人的神经系统有影响。
5 . in the act 当场,正在动作时。如:
He was in the very act of starting. 他正准备动身。
He was caught in the act . 他被当场抓住。