Act on/upon
对…起作用;按照…行事
The medicine doesn’t act on his illness.
这种药对他的病没有作用。
You’d better act on my suggestion.
你最好照我的建议去做。
I don’t agree his plan, but I have to act upon his order.
我不同意他的计划,但我必须按照他的命令行事。
![英语词汇:act 的5个常见英语短语](https://www.gre.cc/wp-content/uploads/2023/02/1527749371367eeca72f7b3.jpg)
Act out
把…表演出来;因(压抑等)发泄出来
The two children acted out the fairy tale.
这两个孩子表演了童话故事。
I won’t blame him. I know he’s just acting out.
我不会怪他的。我知道他只是在发泄他压抑的情绪。
![英语词汇:act 的5个常见英语短语](https://www.gre.cc/wp-content/uploads/2023/02/1527749379080fcbd56c035.jpg)
Act up
调皮;运作不正常; (身体某部分)疼痛起来
How long has your head been acting up?
你的头痛了多久了?
His old Jeep acted up again.
他的旧吉普车又出毛病了。
Because I didn’t give her my cell phone, my niece started acting up.
因为我没把手机给她,我侄女开始调皮捣蛋起来。
![英语词汇:act 的5个常见英语短语](https://www.gre.cc/wp-content/uploads/2023/02/1527749385031d035f110f1.jpg)
Act for
代理(某人职务),代办
He asked his assistant to act for him in this matter.
他叫他的助理代他处理这件事。
As the manager was ill, our boss asked me to act for him.
由于经理病了,老板要求我代替他的职位。
![英语词汇:act 的5个常见英语短语](https://www.gre.cc/wp-content/uploads/2023/02/15277493943230fefc57df7.jpg)
Act as
充当,用作;扮演…的角色
The doctor said that insomnia might act as a trigger for his illness.
医生说失眠可能是引发他的疾病的原因。
I was asked to act as a negotiator at the meeting.
我被要求在会议上担任谈判代表。
![英语词汇:act 的5个常见英语短语](https://www.gre.cc/wp-content/uploads/2023/02/1527749402293b34fe78916.jpg)