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首页英语词典unlessunless的意思

unless

英 [ʌn'les] 美[ən'lɛs]

考试真题实用场景例句

近义词worthless

conj. 除非，如果不
prep. 除…之外

CET4TEM4考研CET6中高频词核心词汇

中文词源

unless 除非

来自短语on less (than), 在少于的情况下，后由于该短语的否定含义，介词on被改写成了un.词义演变比较despite, in spite of .

英文词源

unless (conj.): mid-15c., earlier onlesse, from (not) on lesse (than) "(not) on a less compelling condition (than);" see less. The first syllable originally on, but the negative connotation and the lack of stress changed it to un-. "Except could once be used as a synonym for unless, but the words have now drawn entirely apart" [Century Dictionary].

考试真题

We are both frequent theater-goers," Aaron explains, " and I'll gladly pay for two tickets, just to have pass company it plays in concerts , but she won't go anywhere unless she can pay her own way

Almost every child, on the first day he sets foot in a school building, is smarter, more curious, less afraid of what he doesn't know, better at finding and figuring things out, more confident, resourceful (机敏的), persistent and independent than he will ever be again in his schooling – or, unless he is very unusual and very lucky, for the rest of his life.

It's pointless unless there is a repeatable process in place to turn inspiration into financial performance.

Unless you're sitting next to someone who is coughing or sneezing, you shouldn't worry too much about getting sick.

Unless renewables become cheap enough that substantial carbon deposits are left underground for a very long time, if not forever, the planet will likely be exposed to potentially catastrophic climate risks.

Testing innovations do no good unless the good experiments are identified and expanded and the bad ones are dropped.

They’re not really well-regulated unless they adhere to some industry standard.

The 2004 Commercial Space Launch Amendments Act, intended to encourage private space vehicles and services, prohibits the transportation secretary ( ' , and thereby the FAA) from regulating the de sign or operation of private spacecraft, unless they have resulted in a serious or fatal injury to crew or passengers.

University officials say that they have no plans to track their students (and Apple said it would not be possible unless students give their permissio.

Unless you want to pick up and move to India, or Brazil, or China, the best way to do that is through trade.

Recently, the UK National Stem Cell Network warned the UK could lose its place among the world leaders in stem cell research unless adequate funding and legislation could be assured

M :well ,that guy won't be able to win the election unless he got the majority vote from women students ,and I am not sure about it ?

Unless a miracle happens, this may be the end of us

Also, there are a lot of wonderful clubs, but you shouldn't allocate too much time to club activities, unless they are directly related to your study.

Most forms of steel abruptly become brittle at temperatures below about -25°C unless they are mixed with other metals.

The 2004 Commercial Space Launch Amendments Act, intended to encourage private space vehicles and services, prohibits the transportation secretary and thereby the FA from regulating the design or operation of private spacecraft, unless they have resulted

They're not really well-regulated unless they adhere to some industry standard.

Unless the meal takes place in a beer house, this is considered bad manners.

Unless you were prepared to pay, they were increasingly difficult to obtain for any but the most severely disabled.

We’re big advocates of bodily autonomy and not forcing him to hug or kiss people unless he wants to, but it never occurred to me that I should ask his permission to post photos of him online.

Were big advocates of bodily autonomy and not forcing him to hug or kiss people unless he wants to, but it never occurred to me that I should ask his permission to post photos of him online.

When college students were reminded of a time they had been excluded in a social setting, they compensated by exaggerating their number of friends—unless they were first given tasks that caused them to interact with their phone as if it had human qualitie

It is so cold that you can't go outside unless fully covered in thick clothes.

Macy walks there with him every morning unless the weather is bad.

Some argue that humans and machines can coexist as long as they work in teams—yet that is not possible unless machines share the goals of humans.

They must show each other kindness and pity and the many qualities without which life would be very painful unless one chose to live alone in the desert.

They never touch anything unless they're eating it, or unless something is eating them.

Tom is so independent that he never asks his parents' opinion unless he wants their support.

Unless she reached the station before the express did, many, many lives would be lost.

And, unless banks carry toxic assets at prices that attract buyers, reviving the banking system will be difficult.

America’s new plan to buy up toxic assets will not work unless banks mark assets to levels which buyers find attractive.

Merely helping a gift-giver gain access to other officials, unless done with clear intent to pressure those officials, is not corruption, the justices found.

America's new plan to buy up toxic assets will not work unless banks mark assets to levels which buyers find attractive.

Even then several states automatically exempted women from jury duty unless they personally asked to have their names included on the jury list.

France's planned tax is a clear warning: Unless a broad consensus can be reached on reforming the international tax system, other nations are likely to follow suit, and American companies will face a cascade of different taxes from dozens of nations that

Merely helping a gift-giver gain access to other officials, unless done with clear intent to pressure those officials, is not corruption, the Justices found.

The US Supreme Court frowns on sex-based classifications unless they are designed to address an "important" policy interest, Because the California law applies to all boards, even where there is no history of prior discrimination, courts are likely to rul

实用场景例句

You won't get paid for time off unless you have a doctor's note.: 除非你有医生证明，否则你不上班便拿不到工资。

I won't tell them─not unless you say I can.: 我绝不告诉他们——除非你允许。

Unless I'm mistaken, she was back at work yesterday.: 除非是我记错了，她是昨天回来上班的。

He hasn't got any hobbies─unless you call watching TV a hobby.: 他没有什么爱好——除非你把看电视也称作爱好。

I sleep with the window open unless it's really cold.: 天气若不很冷，我总开着窗户睡觉。

Unless something unexpected happens, I'll see you tomorrow.: 如果不出意外，我明天去看你。

Have a cup of tea─unless you'd prefer a cold drink?: 喝杯茶吧——除非你喜欢冷饮？

Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high...: 除非减肥是为了悦已，否则很难保持积极性。

We cannot understand disease unless we understand the person who has the disease...: 若不了解患者我们就不能了解疾病。

We will not attack unless we are attacked; if we are attacked, we will certainly counterattack.: 人不犯我,我不犯人; 人若犯我, 我必犯人.

No one could emerge from that avalanche alive, unless one believed that man could rise from the dead.: 没人能从那次雪崩中活着出来, 除非相信人能死而复生.

They refused to negotiate unless three preliminary requirements were met.: 如果三项先决条件得不到满足,他们就拒绝谈判.

There's no use in manufacturing an item unless you can merchandise it.: 除非能够销售得出,否则生产产品就没有价值.

You'll never get anywhere in your job unless you reach up to the highest position in the firm and take steps to fulfill your aim.: 除非你在公司里有望得到最高的地位并采取步骤来实现你的目标,否则你在工作中永远一事无成.

I shall go unless it rains.: 如果不下雨我就去.

Unless paying by credit card, please pay in cash.: 如果不用信用卡付账, 就请付现金.

Don't come unless I ring you up.: 除非我打电话给你,否则你不要来.

How can you expect to win confidence of the people unless you come to them with clean hands.: 你如何能赢得人民的信任,除非你以廉洁之身和他们打交道.

Substances have no tendency to expand unless ( they are ) heated.: 除非受热,物质不会有膨胀的倾向.

They wouldn't ask for help unless it were a matter of life and death.: 除非是生死攸关的事情,否则他们不会请求别人帮助.

Iron corrodes unless it is greased or kept clean.: 如果不涂油或保持清洁铁便会腐蚀.

They face certain death unless they can be rescued today.: 他们除非今天获救,否则必死无疑.

You can't appreciate English poetry unless you understand its rhythm.: 你若不懂英文诗韵律,就无法欣赏英文诗.

The colour will not be evenly fixed unless the cloth is first properly wetted out.: 如果不把布用水浸透,那么就不会均匀地着色.

That's the plan—unless anything untoward happens.: 计划就这么定了—除非出现异常情况。