她必须进行手术，否则会死的。

She had to have the operation, or she would die.

《柯林斯英汉双解大词典》

她必须就这个项目写一份报告。

She had to write a report on the project.

《牛津词典》

经决定，她必须再呆九十天。

It was decided she had to stay another ninety days.

《柯林斯英汉双解大词典》

and something like that and she says something like: "well. I have to make the best of it. won't I?"

以及之类的话,然后她说了：,那么我必须好好利用这个机会，不是吗“

麻省理工公开课 - 电影哲学课程节选

So this, too, fairly straightforward and yet and this was a socially awkward moment I had to ask her are you an adult or a senior?

这个也相当简单,这是一个社会尴尬的时候,我必须问她是一张成人票还是老人票？

哈佛公开课 - 计算机科学课程节选

Sure, she goes away--we have to understand this: we know our mother goes away, but guess what?

当然，她有时必须离开--我们必须理解这一点：,我们知道妈妈走了，但是你猜怎么着？

耶鲁公开课 - 文学理论导论课程节选