| 释义 |
must PROBABLYmQstvaux [+ infinitive without to not be musting] he/she/it must used to show that something is very likely, probable or certain to be true谅必，一定Harry's been driving all day--he must be tired.哈里开了一天车，他一定累了。You're having a baby! You must be very happy.你们就要有孩子了！你们一定很高兴。There's no food left--we must have eaten it all.没有一点食物剩下，我们想必把它们都吃光了。When you got lost in the forest you must have been very frightened.当你在树林中迷路时，你一定很害怕吧。￡300 for that load of junk? You must be joking (= I certainly do not think you are being serious)!300英镑买那一堆垃圾，你一定在开玩笑吧！"You must know Frank." "No, I don't."“你一定认识弗兰克。”“不，我不认识。”"It must have been fun." "No, it wasn't."“一定很好玩。”“不，不好玩。”"That must be Jackie over there." "No, it can't be."“那边一定是杰姬。”“不，那不可能。”"He must have told her." "No, surely he can't have done."“他一定告诉她了。”“不会，他当然不可能告诉她。”
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