They must be stinking rich.

他们一定富得流油。

《牛津词典》

They must have known what their father was up to.

他们一定已经知道他们的父亲在暗地里做什么。

《柯林斯英汉双解大词典》

As they must also sprint over short distances, speed is essential.

由于他们还必须疾速短跑，因此速度是至关重要的。

《柯林斯英汉双解大词典》

They have less than two weeks to go before they must perform the play for the Shakespeare in the Courts program.

VOA: special.2010.06.03

The losing side must come to the winning side and they must ask permission to pick up their dead and bury them.

战败方必须出使战胜方,征求胜方同意,让他们可以,拣回本方死者的尸体进行安葬

耶鲁公开课 - 古希腊历史简介课程节选

The point is just if I can at least imagine the one thing without the other, they must in fact be two separate things.

我们要讨论的是,至少如果我可以想象,某物独立于另一物存在,那么它们就肯定彼此不同

耶鲁公开课 - 死亡课程节选

If they concede a goal they must concentrate on not letting in three or four.

BBC: Confidence is key for Scotland

If employers give only 30 days notice, then they must pay 30 days severance.

FORBES: Layoffs And Lawsuits

"They must have felt they couldn't respond in the way they would have liked to, " she said.

CNN: Were U.S. troops told to overlook Afghan abuse of boys?