Require、demand、request、claim都可以表示要求。具體的區(qū)別你知道么？一起來(lái)看看吧

Require--一般表示因需要而要求

to need something or make something necessary

需要；有賴(lài)于；要求；規(guī)定

The rules also require employers to provide safety training.

這些規(guī)定也要求雇主們提供安全訓(xùn)練。

What clause do you require in the contract?

你要求在合同中訂上什么條款?

Demand

作動(dòng)詞，表示：to ask for something forcefully, in a way that shows that you do not expect to be refused 堅(jiān)決請(qǐng)求，強(qiáng)烈要求；強(qiáng)要

I demanded an explanation.

我要求給我一個(gè)解釋。

The union is demanding a seven percent pay rise this year.

汽車(chē)工會(huì)要求今年加薪7%。

He has always demanded the highest standards of behaviour from his children.

他總是以最高的行為準(zhǔn)則來(lái)要求自己的孩子。

[ + speech ] "And where do you think you're going?" demanded the police officer.

“你覺(jué)得自己在朝哪里走？”警察問(wèn)道。

[ + to infinitive ] I demand to see the manager.

我要求見(jiàn)經(jīng)理。

[ + that ] She demanded that he return the books he borrowed from her.

她要求他把從她那里借走的書(shū)還回來(lái)。

作名詞：表示困難的要求

His new job makes a lot of demands on him (= he has to work very hard).

新工作對(duì)他要求很高。

Request

?the act of politely or officially asking for something

（禮貌、正式的）要求，請(qǐng)求

They received hundreds of requests for more information.

數(shù)以百計(jì)的人要求他們提供更多的信息。

[ + to infinitive ] The boss refused our request to leave work early.

老板拒絕了我們?cè)缦掳嗟恼?qǐng)求。

The clause was added to the contract at Carlos's request (= because Carlos asked for this).

這一條款是在卡洛斯的要求下添加到合同中的。

Claim

?to ask for something of value because you think it belongs to you or because you think you have a right to it 要求（擁有）；認(rèn)領(lǐng)；索取，索? 要

The police said that if no one claims the watch, you can keep it.

警方說(shuō)如果沒(méi)人認(rèn)領(lǐng)這塊表，你可以留著它。

When King Richard III died, Henry VII claimed the English throne.

理查德三世去世后，亨利七世要求繼承英格蘭王位。