betray

verb

1. 出卖；泄露（机密）
   to give information about sb/sth to an enemy
   1. For years they had been betraying state secrets to Russia.
      他们多年来一直在向俄罗斯泄露国家机密。
   2. He was offered money to betray his colleagues.
      有人收买他出卖他的同事。
2. 辜负；对…不忠
   to hurt sb who trusts you, especially by not being loyal or faithful to them
   1. She felt betrayed when she found out the truth about him.
      她发现他的真实情况后，感到受了欺骗。
   2. She betrayed his trust over and over again.
      她一次又一次地辜负了他的信任。
   3. I have never known her to betray a confidence (= tell other people sth that should be kept secret) .
      我从未听说过她泄露秘密。
3. 背叛（原则或信仰）
   to ignore your principles or beliefs in order to achieve sth or gain an advantage for yourself
   1. He has been accused of betraying his former socialist ideals.
      有人指责他背弃了他先前的社会主义理想。
4. （无意中）泄露信息，流露情感
   to tell sb or make them aware of a piece of information, a feeling, etc., usually without meaning to
   1. His voice betrayed the worry he was trying to hide.
      他的声音掩盖不了内心的担忧。
   2. She was terrified of saying something that would make her betray herself (= show her feelings or who she was) .
      她害怕说话时泄了自己的底。

1. VERB 失信于；辜负
   If you betray someone who loves or trusts you, your actions hurt and disappoint them.
   1. When I tell someone I will not betray his confidence I keep my word...
      如果我告诉某人我不会辜负他的信任，我就会恪守诺言。
   2. The President betrayed them when he went back on his promise not to raise taxes.
      总统背叛了他们，违背了不加税的诺言。
2. VERB 背叛；出卖
   If someone betrays their country or their friends, they give information to an enemy, putting their country's security or their friends' safety at risk.
   1. They offered me money if I would betray my associates...
      他们提出来只要我供出同伙就给我钱。
   2. The group were informers, and they betrayed the plan to the Germans.
      这帮人是告密者，他们把计划泄露给了德国人。
3. VERB 违背，背弃（理想或原则）
   If you betray an ideal or your principles, you say or do something which goes against those beliefs.
   1. We betray the ideals of our country when we support capital punishment.
      如果我们支持死刑，那就背弃了我们立国的理念。
4. VERB 流露出；暴露出
   If you betray a feeling or quality, you show it without intending to.
   1. She studied his face, but it betrayed nothing...
      她仔细端详了一番他的脸，但什么也没有看出来。
   2. He nodded his head instead of saying anything where his voice might betray him.
      他一言不发，只是点头，因为一开口可能会露出破绽。

1. When I tell someone I will not betray his confidence I keep my word
   如果我告诉某人我不会辜负他的信任，我就会恪守诺言。
2. The President betrayed them when he went back on his promise not to raise taxes.
   总统背叛了他们，违背了不加税的诺言。
3. They offered me money if I would betray my associates
   他们提出来只要我供出同伙就给我钱。
4. The group were informers, and they betrayed the plan to the Germans.
   这帮人是告密者，他们把计划泄露给了德国人。
5. We betray the ideals of our country when we support capital punishment.
   如果我们支持死刑，那就背弃了我们立国的理念。
6. She studied his face, but it betrayed nothing
   她仔细端详了一番他的脸，但什么也没有看出来。
7. He nodded his head instead of saying anything where his voice might betray him.
   他一言不发，只是点头，因为一开口可能会露出破绽。
8. She pursed her lips together, as though fearing to betray her news
   她闭紧双唇，仿佛害怕透露出她的消息。
9. Only occasionally did the telltale redness around his eyes betray the fatigue he was suffering.
   只有从他发红的眼圈上偶尔能看出他非常疲惫。
10. Verily I say unto you, that one of you shall betray me.
    我实在告诉你们，你们中间有一个人要卖我了。
11. Her ethics would never allow her to betray a friend.
    她的伦理观不容许她背叛朋友。
12. He walked away hurriedly so as not to betray his weakness.
    他赶紧走开，免得露拙。
13. Did a friend betray you?
    被朋友背叛了？
14. For this bitch you betray me?
    就为了这婊子你要背叛我？
15. I have no reason to betray you, spartacus.
    我没有理由背叛你，斯巴达克斯。
16. I don't have anyone to betray them to.
    我不会泄露他们任何一个的秘密。
17. Do you betray the person you love?
    你爱你的人出卖？
18. At that time I thought, I would wait for you, I couldn't betray you.
    当时我想，我还是要等你的，我不能背叛你。
19. I will have to leave you if you betray me.
    你如果背叛我，我就要离开你。
20. If the world betrayed you, I will standing behind you, betray the world.
    如果全世界都背叛了你，我会站在你身后，背叛全世界。
21. Because I know, whoever betray me, you will not betray me.
    因为我知道，无论是谁背叛了我，你都不会背叛我。
22. If you betray my trust, by Heaven, I will haunt you.
    如果你背弃了我的信托，老天在上，我是饶不了你的。
23. If you betray us I'll find you wherever you go.
    如果你背叛了我们，无论你到哪里我都会找到你。
24. And run off to betray you.
    背叛了你又逃走了。
25. You did betray him, you stole his only love.
    你确实背叛了他。你偷了他唯一的爱。
26. And you were the first one to betray us!
    你是第一个背叛我们的！
27. Mary do me wrong to suggest that I would betray her.
    玛丽暗示说我会背叛她。她是冤枉我了。
28. But you did betray the company you were working for.
    但你确实背叛了你的公司。
29. I have had a wife betray me.
    我的妻子已经背叛了我。
30. I tell you the truth, one of you will betray me.
    我告诉你们一个事实，你们中的一个将要出卖我。

  betray cheat on grass on rat【导航词义：背叛】

  betray v. 背叛；出卖；泄露

〔辨析〕主要指不忠于誓约或辜负信任；也可以指有意泄露秘密或出于无意暴露隐蔽的事物。

  cheat on phr. v. 对…不忠

〔辨析〕尤指对配偶或性伴侣不忠。

  grass on phr. v. 〈英，非正式〉告密，告发

〔辨析〕主要指向警方告发某人的违法活动。

  rat v. 〈非正式〉告发，告密； 〈英〉背信弃义

〔辨析〕主要指向掌权者告发某人，也指违背所作的承诺，常后接介词 on。

verb

1. give away information about somebody
   1. He told on his classmate who had cheated on the exam

   Synonym:    denouncetell ongive awayratgrassshitshopsnitchstag

2. cause someone to believe an untruth
   1. The insurance company deceived me when they told me they were covering my house

   Synonym:    deceivelead astray

3. reveal unintentionally
   1. Her smile betrayed her true feelings

   Synonym:    bewray

4. disappoint, prove undependable to
   1. His sense of smell failed him this time
   2. His strength finally failed him
   3. His children failed him in the crisis

   Synonym:    fail

5. deliver to an enemy by treachery
   1. Judas sold Jesus
   2. The spy betrayed his country

   Synonym:    sell

6. be sexually unfaithful to one's partner in marriage
   1. She cheats on her husband
   2. Might her husband be wandering?

   Synonym:    cheat oncheatcuckoldwander