must be

You must be able to speak French for this job.

干这项工作你得会说法语。

Children must be taught the difference between right and wrong.

必须教儿童分清是非。

The work must be completed within a certain time limit.

这项工作必须在一定期限内完成。

In order that training should be effective it must be planned systematically.

为使培训有成效，必须有系统的计划。

He's ancient ─ he must be at least fifty!

他老得很了——肯定至少有五十岁！

He must be going soft in the head.

他一准是脑子出毛病了。

'I must be crazy,' she thought.

“我准是疯了。”她想。

Our ultimate goal must be the preservation of the environment.

我们的最终目的必须是环境保护。

You must be home by 11 o'clock.

你必须在11点之前回家。

I think you must be mixing me up with someone else.

我觉得你一定是把我错当成别人了。

There must be a way round the problem.

这个问题一定有办法解决。

If you think about it, those children must be at school by now.

想想吧，那些孩子现在一定在学校了。

Your decision must be translated into specific, concrete actions.

你的决定必须转化为具体明确的行动。

All research proposals must be accompanied by a full motivation.

所有研究计划书均须详述研究动机。

The balance of$ 500 must be paid within 90 days.

500元结欠款必须于90天之内付清。

Pressure must be uniformly distributed over the whole surface.

压力必须均匀分布于整个表面。

You must be home for dinner, mind.

记住，你一定得回来吃饭。

There is a growing realization that changes must be made.

越来越多的人认识到改革势在必行。

I think he must be cracked, don't you?

我认为他一定是疯了，你说是不是？

Vintage ports must be decanted to remove natural sediments.

上等的波尔图葡萄酒必须倒入其他容器中以滤除自然沉淀物。

His argument was that public spending must be reduced.

他的论点是公共开支必须减缩。

Health care must be at the service of all who need it.

医疗保健机构必须为所有需要者提供服务。

I must be going now.

我现在得走了。

He must be 70 if he's a day!

他至少70岁了！

Your feet must be behind the line when you serve.

发球时你的脚必须站在底线的外面。

The project must be completed within a specific time span.

这项工程必须在规定期限内完成。

That must be her now.

这会儿一定是她了。

Come on now. You know you must be hungry.

好，来吧，你肯定已经饿了。

The greatest polemicist of the 20th century must be Leon Trotsky.

20世纪最了不起的辩论家非列昂·托洛茨基莫属。

It must be stressed that this disease is very rare.

必须着重指出，这种病非常罕见。