must

简明英汉词典

must

[mQst; mEst]

aux.

必须, 应当, 很可能, 一定, 必须, 肯定, 可以

美国传统词典[双解]

must

must 1

AHD:[m?st]

D.J.[m(st]

K.K.[m(st]

v.aux.（助动词）

(1)To be obliged or required by morality, law, or custom:

必须：为道德良心、法律或者习惯所要求或强迫：

Citizens must register in order to vote.

为了进行选举，公民们必须登记

(2)To be compelled, as by a physical necessity or requirement:

必须，必要：由于物质需要和要求而被迫：

Plants must have oxygen in order to live.

为了存活植物必须有氧气

(3)Used to express a command or an admonition:

一定，必须：用来表示命令或者愿望：

You must not go there alone. You simply must be careful.

你一定不要单独去那里。你一定要小心

(4)To be determined to; have as a fixed resolve:

一定：下决心一定要；坚持要：

If you must leave, do it quietly.

如果你一定要离开，那就悄悄地走

(5)Used to indicate inevitability or certainty:

表示不可避免性或者可能性：

We all must die.

我们都会死

(6)Used to indicate logical probability or presumptive certainty:

可能：用来表示逻辑推断的可能性或假定的必然性：

If the lights were on, they must have been at home.

如果灯亮着，那么他们一定在家

v.intr.Archaic （不及物动词）【古语】

To be required or obliged to go:

被要求或被迫去：

“I must from hence”(Shakespeare)

“我必须从这里走”(莎士比亚)

n.（名词）

Something that is absolutely required or indispensable:

一定，绝对：绝对必要或不可避免的应当去做之事：

Promptness on the job is a must. Comfortable shoes are a must when taking a walking tour of Wales.

工作上准时是绝对必要的。步行去威尔士旅行时舒服的鞋是绝对必要的物品

n.attributive.（定语名词）

Often used to modify another noun:

常用来修饰另一个名词：

a new book that is must reading; a list of must legislation for the session.

一本不可不读的新书；开庭不可缺少的立法一览表

语源

(1)Middle English moste

中古英语 moste

(2)from Old English m?e [past tense of] m?tan [to be allowed] * see med-

源自 古英语 m?e [] m?tan的过去时 [被允许] *参见 med-

基本词义

must

must 2

AHD:[m?st]

D.J.[m(st]

K.K.[m(st]

n.（名词）

The quality or condition of being stale or musty.

发霉：陈腐或者发霉的特性或状态

语源

Probably back-formation from musty

可能源自 musty的逆成词

基本词义

must

must 3

AHD:[m?st]

D.J.[m(st]

K.K.[m(st]

n.（名词）

The unfermented or fermenting juice expressed from fruit, especially grapes.

果汁：从水果中压出的发酵或者未发酵的果汁，特别是从葡萄中挤出的

语源

(1)Middle English

中古英语

(2)from Old English

源自 古英语

(3)from Latin mustum [neuter of] mustus [new, fresh]

源自 拉丁语 mustum [] mustus的中性 [新的，新鲜的]

基本词义

must

must 4

AHD:[m?st]

D.J.[m(st]

K.K.[m(st]

n.（名词）

Variant of musth

musth的变体

基本词义

must

must 5

AHD:[m?st]

D.J.[m(st]

K.K.[m(st]

n.（名词）

Musk.

麝香

语源

(1)Scottish

苏格兰语

(2)from Old French

源自 古法语

(3)variant of musc * see musk

musc的变体 *参见 musk

现代英汉词典

must

[mEst, mQst]

v.

(1)必须；应当

We must obey orders.

我们必须服从命令。

I must shut the door, or the rain will come in.

我必须把门关上，不然雨就进来了。

(2)必定；非常可能

You must be tired after your long journey.

你走了这么远的路，一定很累。

词性变化

must

n.

必需的东西； 必须做的事

Warm clothes are a must in the mountains.

住山里必须备有厚衣服。

现代英汉综合大辞典

must

[mQst]

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.

[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.

[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。

用法词典

must

(中古英语 moste