must be

常见例句

双语例句

Then you must be my cousin.
那么你一定是我的远亲了。
He must be mad.
他一定是疯了。
I can't date that house exactly, but it must be very old.
我不能确定那幢房子的年代，但它一定是很古老了。

原声例句

When he was sure she was dead, Murlock had sense enough to remember that the dead must be prepared for burial.
He says, "Poetry in our own time-- -- such is the complexity of the world we live in-- must be difficult."
他写道，“我们这一时代的诗-,正如我们生活着的世界-,让人费解“
耶鲁公开课 - 文学理论导论课程节选
Oh really? I imagine that it must be very difficult to drive in a big city like New York.
是吗？在大城市开车肯定会比较困难，比如在纽约。
Do you ever实战 - SpeakingMax英语口语达人

权威例句

The persons signing an application form and funding agreement must be duly authorised to do so.
UNESCO: CONTESTABLE FUNDING ROUND 2015/2016 IS NOW CLOSED