act as 与act for的用法1.

act as (临时)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 asinterpreter.

我不懂他们的语言，你得当翻译了。

2.

act for 代理(某人职务)，代为(处理某事)。

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。

【act as 与act for的用法查看网站：[db:时间]】