must

mustmustD.J.:[mʌst, məst]K.K.:[mʌst]aux.v.1.■必须If you can't finish the book by then, you must come and renew it.这本书如果你到时候还看不完, 就必须来续借。The children must be back by 4 o'clock.孩子们必须四点钟以前回来。You must remember to write home.你必须记着给家里写信。We mustn't waste our time.我们不应该浪费时间。“May I take this magazine out?”“No, you mustn't.”“我可以把这本杂志借走吗?”“不, 不行。”He said he must go tomorrow.他说他明天必须去。2.■必然要, 必定会We must all die.人都是要死的。How long must this go on?What's the sense of this?这种局势要持续多久呢?它有什么意义呢?3.■(做出逻辑推断)He must be mad.他一定是疯了。You must be joking.你一定是在开玩笑吧。This house must belong to John.这栋房子一定是约翰的。She must have been young when she got married.她结婚时一定很年轻。You must win, if you do your best.如果你全力以赴, 一定能赢。4.■(表示坚持)If you must smoke, at least you could use an ashtray.如果你一定要吸烟, 起码总可以用一个烟灰缸吧。Why must you always be finding fault with that girl?你为何总是要找那个姑娘的错呢?n.1.■必须做的事, 必不可少的事物Warm clothes are a must in the mountains.到山区去穿暖和的衣服是必须的。

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must1[mʌst; 弱məst; məs; mst; ms]v.aux.1.■过去式must [助动词，与不带to的动词不定式连用]表示：2.■必须：One must eat to live.人必须吃饭才能活。We must do as we are told.我们必须按吩咐的去办。3.■(因为强迫、道义或理智及好感的驱使)应该，应当：I must pay her.我应该付她钱。You must not smoke in the classroom.你不应当在教室里抽烟。4.■很可能，想必，谅必：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。5.■一定；必然要，必定会：Man must die.人总有一死。6.■一定要，坚持要：I must try some of that pudding.我一定得尝尝那布丁。I must finish the paper by the end of the week.我一定要在本周末完成这篇论文。7.■(为了达到某种结果)一定得，有义务要：To succeed, you must try.要想成功，你一定得试试。8.■[表示不愿意发生或不耐烦]偏要，硬要：Why must it rain today?怎么偏偏今天下雨?9.■不巧，偏偏：The machine must break down at this busy hour.正忙的时候，机器偏偏又坏了。Just as I was busiest, he must come bothering me with some questions.正在我最忙的时候，偏巧他来问我一些问题来烦我。vi.1.■(表示义务或被迫)必须，偏要：Do I have to go? I must, I think.我一定得去吗?非得我去，我想。2.■[古语][与away, down等连用,相当于 must go或 must get] 必须去：We must away.我们必须离开。n.1.■[口语]必须做、看、听的事；必不可少的事adj.1.■[口语]必做的；必须的；基本的must needs偏偏；偏要必须；不得不；非…不可；必是…无疑[亦作needs must]Needs must when the devil drives.见needs must2[mʌst]n.1.■(雄象等的)发情期狂暴；狂暴状态2.■处于发情期的动物adj.1.■(雄象等发情期)狂暴的 must3[mʌst]n.1.■(发酵前和发酵过程中的)葡萄汁；果汁；(尚未酿陈的)新葡萄酒2.■葡萄渣

mustmust[mʌst]v.aux.[无时态和人称变化, 后面接不带 to 的动词不定式]1.■[表示义务、命令或必要]必须, 应当Soldiers must obey orders.军人必须服从命令。We must keep our word.我们必须遵守诺言。You must not do it.你不可以做那件事。We must tell him.我们必须告诉他。2.■【说明】过去、未来、完成等式可用 have to 的相应形式来代替, 例如: I must [have to] do it today. 我必须今天做。I had to do it yesterday. 我本该昨天做。I shall have to go there some day. 总有一天我会去那儿的。3.■[表示推断或指具有较大的可能性]很可能; 谅必[否定用cannot be, could not have +p.p]You must be very tired.你一定很累了。He must have earned a large sum of money.他一定是挣了一笔巨款。4.■[表示主张]一定要, 务必If it is really lost, it must be found.如果真丢了, 一定要找回来。5.■[表示不可避免性或肯定性]必然要, 必定会Man must die.人必有一死。6.■[表示与说话人愿望相反及不耐烦]偏要Why must it rain on Sunday?偏要在星期天下雨, 讨厌!Just as I was sitting down to supper, the telephone mustring.正当我坐下来用晚餐时, 偏偏电话铃响了。7.■[方][表示请求]Must I go now?我现在可以走了吗?n.1.■[口]必须做的事, 必需的东西The new film is an absolute must.这部新片不可不看。adj.1.■[口]绝对需要的, 不可缺的must legislation不可缺少的立法This is a must book for your reading.这是一本你必须要读的书。