Last summer she acted as a guide for tourists.
去年夏天,她担任旅游向导。
This herb can act as an antidote against snakebite.
这种药草可以用作蛇咬的解毒药。
Mr.Liu acted as group leader while Mr.Zhang was ill.
张先生生病时,刘先生任组长。
This coin may act as a screwdriver.
这枚硬币可以充当螺丝起子用。
请注意,有时候,act for与act as的意义颇相近,但它们在表示概念方面互不相同。act as是“(临时)充当”或“起…的作用”; act for则表示“代理”的涵义。请比较下一句和前述句 :
Mr.Liu acted for Mr.Zhang while he latter was ill.
张先生患病期间,刘先生代理他的工作。
act like 行为像、举动像 的意思,相当于英语的 to act in the manner of,常与人或动物名词连用。like是介词,其后接宾语 。例:
His refusal of our offer acted like a wet blanket.
他拒绝了我们的建议,真使我们扫兴。
That child acts like a grown-up.
那个孩子的举动像成年人一样。
Don't act like a fool!
别像傻瓜一般!