BETRAY1 to betray a friend or someone who trusts you2 to betray your country3 to betray your beliefs or principles4 someone who betrays their countryRELATED WORDSnot faithful to someone you have a sexual relationship with 对与你有性关系的人不忠SEXsee alsoLOYAL/NOT LOYALTRUST/NOT TRUST1 to betray a friend or someone who trusts you 出卖朋友或信任你的人betray /bɪˈtreɪ/ [transitive verb]to be disloyal to your friends or to someone who trusts you, often causing serious harm to them as a result 背叛；出卖 He betrayed his friends in order to save his own life. 为了活命，他背叛了朋友。betray somebody to the police/government etcgive the police etc information about someone 向警方/政府等出卖某人 Olga's best friend betrayed her to the secret police. 奥尔佳最亲密的朋友把她出卖给了秘密警察。betray somebody's trust/confidence/friendship etcbetray someone who trusts you 辜负某人的信任/泄露某人的秘密/辜负某人的情谊等 I still have bitter feelings for Robert. What can I say? He completely betrayed my trust. 我至今还对罗伯特耿耿于怀。我还有什么话好说呢？他完完全全辜负了我对他的信任。feel betrayedfeel that someone you trust has betrayed you 感到被出卖 When I heard what she had said about me I felt angry and betrayed. 当我听到她说我的那些话时，我非常生气，感到被人出卖了。betrayal [singular/uncountable noun]when someone betrays another person: 出卖，背叛 a powerful story of love and betrayal set in the tranquil world of Cambridge University 以剑桥大学的宁静世界为背景的一个震撼人心的爱与背叛的故事 The family regard her marriage to a non-Muslim as a betrayal. 她的家庭把她与非穆斯林家庭出身的人结婚看作是背叛。betrayal of somebody's trust/friendship/confidence etc What Evans did amounts to a betrayal of the trust placed in him by the company. 埃文斯的所作所为辜负了公司对他的信任。stab somebody in the back /ˌstæb somebody ɪn ðə ˈbæk/ [verb phrase]to betray someone who trusts you, especially someone that you work with, by saying or doing something that will cause them a lot of harm and get you an advantage 背地里中伤某人 He seems friendly, but he wouldn't hesitate to stab you in the back if he thought it would help him get your job. 他貌似和善，但却会毫不犹豫地在背后中伤你，只要他认为这样做能得到你的那份工作。 Thatcher was stabbed in the back by her former friends and colleagues in the Conservative Party. 撒切尔夫人以前在保守党内的朋友和同事背叛了她。backstabbing /ˈbækˌstæbɪŋ/ [uncountable noun] I'm not sorry to be away from the gossip and backstabbing of the office. 离开办公室内的流言飞语及暗箭伤人，我一点也不感到遗憾。sell somebody down the river /ˌsel somebody daʊn ðə ˈrɪvəʳ/ [verb phrase]to betray a group of people who trusted you to help them, in order to gain money or power for yourself 〔为个人利益或权力而〕出卖〔背叛〕某一群人 The workers were promised that they would not lose their jobs as a result of the merger. Later they found out that they had been sold down the river. 工人们得到过承诺说，公司合并之后他们不会丢掉工作，后来却发现他们被出卖了。treachery /ˈtretʃəri/ [uncountable noun]great disloyalty to someone who trusts you, for example by secretly tricking them, or helping their enemies 背信弃义，不忠，背叛 When the king learned of his brother's treachery, he quickly ordered his execution. 国王得知弟弟对他不忠后，很快就下令将他处决了。 After a furious argument during which he accused the prime minister of treachery, he announced that he would resign his Cabinet position. 他指责首相背信弃义，与首相激烈争吵了一场，之后便宣布将辞去在内阁的职务。2 to betray your country 背叛自己的国家betray /bɪˈtreɪ/ [transitive verb]to be disloyal to your country, for example by helping its enemies or giving them secret information 叛国；泄露〔机密〕 The former federal agent betrayed his country and gave away vital military secrets. 那个前联邦特工背叛了国家，把重要的军事秘密泄露出去。betrayal /bɪˈtreɪəl/ [countable/uncountable noun]act of betrayal Paisley described government plans to separate Northern Ireland from the United Kingdom as an act of betrayal. 佩斯利把政府准备将北爱尔兰从英国分裂出去的计划称作是叛国行为。collaborate /kəˈlæbəreɪt/ [intransitive verb]to betray your country by helping its enemies when they have defeated your country and taken control of it 与〔占领者〕合作；与敌勾结，通敌 Those suspected of collaborating during the occupation were tried and shot 那些被怀疑在敌军占领时期勾结敌方的人受到了审判并被枪决。collaborate with He was imprisoned in 1945 for collaborating with the enemy. 他因与敌勾结，于1945年被监禁。collaboration /kəˌlæbəˈreɪʃən/ [uncountable noun] Newly-released records show there was extensive collaboration with the occupying army. 新公布的记录显示有许多人曾和占领军勾结。treason /ˈtriːzən/ [uncountable noun]the crime of betraying your country by helping its enemies 叛国〔罪〕 Fleming was flown to Washington and tried for treason. 弗莱明被飞机送往华盛顿，并因叛国罪受审。commit treason All five of the men will be charged with committing treason against the state. 这五个人全都将因为犯了叛国罪而被起诉。3 to betray your beliefs or principles 背弃自己的信仰或原则betray /bɪˈtreɪ/ [transitive verb]to behave in a way that is completely against your beliefs or principles, so that people think you have given them up completely 背叛，背弃〔信仰或原则〕 The new government has betrayed the ideals of the revolution. 新政府背弃了革命的理想。 Greene was denounced for betraying his Catholic beliefs and siding with the Communists. 格林因背弃自己的天主教信仰转而支持共产主义者而受到谴责。sell out /ˌsel ˈaʊt/ [intransitive phrasal verb]to behave in a way that is completely against what you have said are your beliefs or principles, especially in order to get advantages for yourself in politics 背叛，出卖，放弃〔信仰或原则，尤为在政治方面得到好处〕 When the Socialists changed their policy on nuclear weapons they were accused of selling out. 社会党人改变了他们在核武器问题上的政策时，人们谴责他们出卖原则。 Many of the radicals of the 1960s sold out - they became accountants and salesmen. 20世纪60年代的激进分子中有许多已放弃了自己的信念，成了会计师和推销员。sell-out /ˈsel aʊt/ [singular noun] Anti-nuclear campaigners are calling the president's acceptance of nuclear testing a complete sell-out. 反核运动者认为总统同意进行核试验是彻底地背弃了原则。 The settlement of the dispute was a sell-out, leaving the miners worse off than they were before. 这场争议的解决方案出卖了矿工，使他们的处境比以前更加恶劣。4 someone who betrays their country 背叛国家的人traitor /ˈtreɪtəʳ/ [countable noun]someone who helps the enemies of their country, for example by giving them secret information 叛国者，卖国者 At the end of the war Mata Hari was hanged as a traitor. 战争结束时，马塔·哈里因叛国罪被绞死。traitor to When he left Nicaragua for the US, he was denounced as a traitor to the revolution. 他离开尼加拉瓜去美国定居时，被谴责为革命的叛徒。turn traitorbecome a traitor 成为叛徒 Zaragoza turned traitor when he thought the Republicans would lose the war. 萨拉戈萨以为共和党人会输掉这场战争，于是就当了叛徒。collaborator /kəˈlæbəreɪtəʳ/ [countable noun]someone who helps their country's enemies, especially when the enemy has taken control of that country 勾结敌人者，通敌者〔尤指当该国已被敌人占领时〕 Women who were suspected of collaborating had their heads shaved in public.collaborator with His father had been accused of collaborating with the CIA.