1、commit

犯(罪);做(壞事)

I have never committed any crime.

我從來沒犯過罪。

This is a man who has committed murder.

這是一個殺人犯。

撥出，調(diào)配(資金、資源等)

They called on Western nations to commit more money to the poorest nations.

他們呼吁西方國家向極端貧困國家投入更多的錢。

The government had committed billions of pounds for a programme to reduce acid rain.

政府已經(jīng)給一個旨在減少酸雨的方案撥了幾十億英鎊。

承諾，保證(做);忠于(某人)

I would advise people to think very carefully about committing themselves to working Sundays.

我建議大家慎重考慮一下答應(yīng)周日工作的問題。

I'd like a friendship that might lead to something deeper, but I wouldn't want to commit myself too soon.

我希望擁有一份能進一步發(fā)展的友誼，但又不想太快作出承諾。

2、represent

代理，代表（個人或團體）

the politicians we elect to represent us.

我們選舉出來代表我們的政界人士

The offer has yet to be accepted by the lawyers representing the victims.

受害者的代理律師還沒有接受這個提議。

使有代表性

Women are already well represented in the area of TV drama.

女性在電視劇領(lǐng)域占據(jù)了一席之地。

In New Mexico all kinds of cuisines are represented.

在新墨西哥州， 有各種各樣的烹飪方法。