It's all wrong—you'll have to do it over.

完全错了。你得重做一遍。

《牛津词典》

Please, I don't understand what I have to do.

我的确不明白我该做什么。

《牛津词典》

If there's none left we'll have to do without.

如果没有剩余的我们就只得将就了。

《牛津词典》

Doctors in training may have to do hundreds of stitches in some cases to close the skin after an operation.

VOA: special.2010.02.10

And, if we wanted to try to fit, say, hydrogen, into this scheme that we have, we have to do what?

如果我们想要让他们符合我们的原理比如氢气，我们需要怎样？

麻省理工公开课 - 固态化学导论课程节选

So kind of, it creates those really nasty days where you have to do like, you know, 10 different things

所以，这样一来有几天就会非常糟糕，你一天要做十件不同的事情。

主修古典文学 - SpeakingMax英语口语达人

But over the long term, an all-of-the-above energy strategy means we have to do more.

WHITEHOUSE: Weekly Address: An All-Of-The-Above Approach to American Energy | The White House

This will be the main thing that we have to do to protect us.

NPR: Israel May Sever Israeli, Palestinian Road Links

It was so much fun that we just knew we'd have to do it again.

ENGADGET