| 释义 |
must¹ /mʌst，弱 məst，məs，mst，ms/ v.aux. | vi. | n. | a. | phr.
I v.aux.
[无时态和人称变化，后接不带 to 的动词不定式]
1. [表示必要]必须
We must eat to live. 我们要活命就必须吃饭。
I must be home by six. 我必须在6时前回家。
I told him what he must do. 我告诉过他必须做什么。
A: Must you go now? B: Yes, I must. (No, I needn't.) 甲： 你现在就得走吗? 乙： 是的，我现在就得走了。(不，我没有必要现在就走。)
2. [表示命令或强制]必须；[用于否定句表示禁止](不)准许，(不)可以
You must do as you are told. 你必须遵嘱行事。
He insists that I must do it by myself. 他坚持这事我必须独力完成。
Cars must not be parked here. 此地不准停车。
You must not tell a lie. 你不可以说谎。
A: May I borrow this book? B: No, you mustn't. 甲： 我可以借这本书吗? 乙： 不，不可以。
3. [表示邀请]务必，一定要
You must stay to dinner. 你务必留在这里吃饭。
You must come and see us. 你一定要来看望我们。
4. [表示法律、道德、习俗上的义务或社交上的需要]应该
We must obey the law. 我们应该服从法律。
I must keep my word. 我应该践诺。
You must see what can be done. 你该考虑一下可行的办法。
I must say you're looking well. 应该说你的气色很好。
5. [表示决心]一定要，坚持要
I must finish this tonight. 我一定要在今晚完成此事。
If you must go， at least wait till the storm is over. 如果你坚持要走，至少也要等到这场暴风雨停了再走。
If you must know, I love him deeply. 我深深地爱着他，如果你一定要知道的话。
He must have everything in his own way. 他事事一意孤行。
6. [表示命定或必然性]注定要；必然要，必定会
What must be will be. 注定要发生的事总要发生。
All men must die. 人都有一死。
If he had really been there, I must have seen him. 如果当时他真的在那里的话，我必定会看到他。
7. [表示揣测或推定]谅必；一定
He must be there by now. 他现在谅必已到那里了。
He must be crazy to talk so. 他竟这样说话，准是疯了。
Then you must be my cousin. 这么说来，你一定是我的表亲了。
We must have taken the wrong road. 我们一定走错路了。
8. [表示与说话人愿望相反及不耐烦]偏要，偏偏
Why must it always rain on weekends? 怎么一到周末就偏要下雨?
The car must break down just as we were going on our holiday. 我们正要出去度假，偏偏汽车坏了。
9. 〈方〉[主要用于问句，表示征询]可以，可否(= may,= shall)
Must I bring in the soup now? 我现在可以把汤端进来了吗?
II vi.
〈古〉[与 away, down 等连用]必须去(相当于 must go 或 must get)
We must away. 我们必须离去。
I must down to the sea again. 我得再一次下海。
III /mʌst/
n.
〈口〉必不可少的事物；必要条件
Warm clothes are a must in the mountains. 御寒衣服在山区是必备之物。
The return of the occupied land is a must. 归还被侵占土地是个先决条件。
IV /mʌst/
a.
〈口〉必要的，必不可少的；极其重要的
must legislation 必要的立法
a must book for the student of aerodynamics 研究空气动力学的人必读的书
Let the other work go, this is a must job. 别的工作就让它去吧，这可是件非做不可的事。
[< OE mōste, 过去式 < mōtan mote²] phr. I must say 见 say
must needs 见 needs
needs must 见 needs
Needs must when the devil drives. 见 needs |