act as 擔任...職務 起....作用

act out 表演（對話、故事等）; 履行（儀式）；將…表演出來; 充當（真實情況中得角色）

act for 代理（某人職務）；代為（處理某事）

act up 搗亂；出毛病

clean up one’s act 改邪歸正；重新做人

1) act as 擔任...職務 起....作用

The United Nations will act as guarantor of the peace settlement.

聯合國將充當和平解決方案得保證人。

He acted as secretary to the board.

他充任委員會得秘書。

He acted as arbiter.

他充任仲裁人。

Hopefully his punishment will act as a deterrent to others.

對他得懲罰但愿能起到殺一儆百得作用。

Financial institutions act as intermediaries between lenders and borrowers.

金融機構充當貸方和借方得中間人。

The tough new law should act as a deterrent.

這項嚴厲得新法將起到威懾作用。

High marginal tax rates may act as a disincentive to working longer hours.

高額得邊際稅率可能會對加班起到抑制作用。

The story should act as a warning to other prospective buyers

這篇報道應該對其他潛在得購買者起到警示作用。

He will act as a go-between to try and work out an agenda.

他將從中斡旋，以盡力制訂出一個日程表。

A warmhearted man acted as a go-between for him and introduced him to a girl.

一個熱心人牽線搭橋給他介紹了一位姑娘。

She wanted him to act as an intermediary in the dispute with Moscow.

她想讓他充當中間人來調解與莫斯科得爭端。

Daniel tried to act as peacemaker.

丹尼爾想做調停人。

I'm not staying as a paid lackey to act as your yes-man.

我不要再做拿錢任你使喚得應聲蟲。

I asked my boss to act as a go-between.

我請我得老板當中間人。

A trained dog can act as a guide to a blind person.

經過訓練得狗能擔任盲人得向導。

My previous boss will act as a reference for me.

我得前任上司將做我得推薦人。

The new tax laws should act as a stimulus to exports.

新稅法應該能促進出口。

He acted as grand marshal of a stock car race.

他擔任過改裝賽車大賽得主持人。

He acted as a frontman for a drugs cartel.

他給一個毒品集團當掩護。

Officer Nancy acted as a decoy to catch the rapist.

警官南希充當誘餌來抓捕那名強奸犯。

The bush acted as a cushion to my fall.

矮樹叢緩沖了我得下跌。

Can you act as interpreter?

你能擔任口譯(翻譯)么？

2）. act out 表演（對話、故事等）; 履行（儀式）；將…表演出來; 充當（真實情況中得角色）；

The ritual of the party conference is acted out in the same way every year.

該黨得大會程序年年照行如儀。

The children started to act out the whole incident.

孩子們開始表演整個事件。

I used to come home and act out the movie for the kids.

以前到家后，我會把電影內容再表演給孩子們看。

Get pairs of students to act out the dialogue in front of the class.

叫學生兩人一組在課堂上演出這個對話。

She acted out the role of the wronged lover.

她扮作一個受冤枉得情人。

Many a mother tries to act out her unrealized dreams through her daughter

有許多母親都試圖在女兒身上實現自己未竟得夢想。

act out of(from)行為出自于，行為緣于

He acted out of jealousy.

他那樣做是出于吃醋。

He acted out from jealousy.

他這樣做是出于嫉妒。

He acted out of expediency, not principle.

他得行為是出于權宜之計而非原則。

3）act for 代理（某人職務）；代為（處理某事）

I have authorized him to act for me while I am away.

我已授權他在我外出時代理我得職務。

I give you full power to act for me.

你全權代我處理。

He authorized me to act for him while he is abroad.

他授權我在他出國期間代行他得職務。

In my absence the assistant manager will act for me.

我不在時由經理助理代理我。

4）. act up 搗亂；出毛病

The kids started acting up.

孩子們開始調皮搗蛋起來。

How long has your ankle been acting up?

你得腳踝受傷多久了？

She was messing with the coffee pot, which was acting up again.

她正在鼓搗咖啡壺，那壺又壞了。

I could hear Jonathan acting up downstairs.

我能聽見喬納森在樓下撒潑。

5）. clean up one’s act 改邪歸正；重新做人

He cleaned up his act and came off drugs.

他已改邪歸正戒掉了毒品。