unless是什么意思？

unless

英[ənˈles] 美[ʌnˈlɛs]

• conj. 除非，如果不；
• prep. 除了，…除外；

例句

• This is not a hobby you should go in for unless you have plenty of money. 这不是非有不可的爱好, 除非你有大量的钱。
• 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 ask me to explain unless you really don't understand. 不要叫我解释, 除非你真的不懂。
• I will be very angry unless you have already spoken to her. 除非你已经对她说过了, 否则我会很生气。
• Substances have no tendency to expand unless (they are) heated. 除非受热, 物质不会有膨胀的倾向。
• Let's have dinner out — unless you are too tired. 咱们出去吃饭吧——除非你太累了。
• You will fail unless you work hard. 如果你不积极工作, 就会失败。
• Unless we make a move soon, we shall not be able to fulfill our plan. 如果不赶快采取行动, 我们就不能完成计划了。
• They face certain death unless they can be rescued today. 他们除非今天获救, 否则必死无疑。
• The kidnappers had threatened to behead all four unless their jailed comrades were released. 帮匪们曾经威胁说如果印度方面不释放他们的同伙，他们就要将这四名人质全部斩首。

英语四级真题

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
出自-2012年12月听力原文
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.
出自-2010年6月听力原文

英语六级真题

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.
出自-2013年6月阅读原文
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 ?
出自-2011年6月听力原文
Unless a miracle happens, this may be the end of us
出自-2011年6月听力原文

柯林斯高阶英汉双解学习词典释义

• CONJ-SUBORD
  除非；若不；除非在…的时候
  You use unless to introduce the only circumstances in which an event you are mentioning will not take place or in which a statement you are making is not true.
  例句
  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。

英汉词典释义

• conj.
  除非, 如果不
  You will fail unless you work hard. 如果你不积极工作, 就会失败。 Let's have dinner out — unless you are too tired. 咱们出去吃饭吧——除非你太累了。 Substances have no tendency to expand unless (they are) heated. 除非受热, 物质不会有膨胀的倾向。 I will be very angry unless you have already spoken to her. 除非你已经对她说过了, 否则我会很生气。 Don't ask me to explain unless you really don't understand. 不要叫我解释, 除非你真的不懂。 Unless paying by credit card, please pay in cash. 如果不用信用卡付账, 就请付现金。