It's late, so I must go home.

天晚了，所以我得回家。

youdao

So I must go to the shop near our school.

那我得去学校附近的商店了。

youdao

Yes. When I swam a half, I felt very tired, but I know many people support and encourage me, so I must go on to the end.

有过，当我游到一半时，我已经非常累了。但是我知道有很多人在支持，鼓励我，所以我必须坚持到底。

youdao

So putting that all together, I know that it must go through here again, and once again, i get a straight line.

把这些点连在一起,我知道它一定会经过这一点,这次我们又画出了一条直线

耶鲁公开课 - 博弈论课程节选

I must save some money so that I can go to university,

我必须存点钱，这样我才能上大学，

Must 实战 - SpeakingMax英语口语达人

And I think we must do it before the election of 2008 so we don't go through another election where the voters don't believe the results.

NPR: Local Election Officials Oppose Paper Ballots

Even so the bet must be that the Greeks reluctantly, sullenly, will go along with new austerity but I have sensed a despair that last year just wasn't there and no-one knows where that will lead.

BBC: Greece crisis: Revolution in the offing?