be a traitor to sb/sth
表示对某人或某事业的背叛。
He was considered a traitor to his country.
他被视为国家的叛徒。
叛国者；卖国贼；叛徒
背信弃义者；背叛信任的人；言行不一的人；口是心非的人；违反效忠、背叛国家的人；犯叛国罪者；背信弃义将国家交付敌人,或放弃守护的要塞,或未经战败而向敌人投降军队者。；通过叛国行为背叛国家的人；拿起武器向其国家开战者；或帮助敌人征服本国者。
Someone who betrays their own country, for example by helping an enemy or committing treason.
违反效忠、背叛国家的人；犯叛国罪者；背信弃义将国家交付敌人,或放弃守护的要塞,或未经战败而向敌人投降军队者。
Someone who violates an allegiance and betrays their country; someone guilty of treason; one who, in breach of trust, delivers their country to an enemy, or yields up any fort or place entrusted to their defense, or surrenders an army or body of troops to the enemy, unless when vanquished.
通过叛国行为背叛国家的人
someone who betrays his country by committing treason
拿起武器向其国家开战者；或帮助敌人征服本国者。
Someone who takes arms and levies war against their country; or one who aids an enemy in conquering their country.
言行不一的人
a person who says one thing and does another
背叛他人信任或信赖的人。
One who betrays any confidence or trust.
The general was executed after being found guilty of helping the enemy; many called him a traitor.
将军因被认定帮助敌人而被处决；许多人称他为叛徒。
用法提示：traitor 为名词，意为“叛徒”，此处指背叛国家的人。
In the story, the king's closest advisor turned out to be a traitor who had opened the city gates at night.
在故事中，国王最亲密的顾问原来是个叛徒，他在夜里打开了城门。
用法提示：traitor 为名词，用定语从句说明其背叛行为。
She felt like a traitor to her friends when she told the teacher their secret.
她向老师泄露了朋友们的秘密后，觉得自己像个叛徒。
用法提示：traitor 为名词，此处比喻背叛信任的人。
表示对某人或某事业的背叛。
He was considered a traitor to his country.
他被视为国家的叛徒。
公开指责某人是叛徒。
The opposition branded him a traitor.
反对派把他称为叛徒。
不带冠词，表示变节。
He turned traitor and joined the enemy.
他叛变了，投靠了敌人。
较通用，不特指叛国，可用于任何背叛行为
强调改变立场或党派，常用于政治或军事
强调背弃信仰或组织，带有强烈贬义
指脱离国家或组织投靠另一方，常指政治避难
特指与占领军合作的叛国者，历史色彩浓
grammar · medium
易错句子He traitored his country.
正确表达He betrayed his country.
‘traitor’是名词，不能作动词。表达‘背叛’应使用动词‘betray’。
grammar · medium
易错句子She is a traitor for her friends.
正确表达She is a traitor to her friends.
表示‘对……的背叛者’，介词应用‘to’，而非‘for’。
本义项为“背叛国家或事业的人”。patriot 指热爱、忠于祖国并愿为之效力的人，与 traitor 相对。
本义项侧重“叛徒/背信者”。loyalist 指在政治冲突或政权更迭中仍效忠现政权或君主的人，与 traitor 相反；一般不用于普通人际失信关系。
traitor 指背叛国家或信任的人，强调不忠诚；turncoat 特指改变立场或党派的人，常含贬义但侧重政治或立场转变。
traitor 强调背叛行为本身；defector 特指从本国或组织逃离到敌方的人，侧重逃离行为而非必然背叛。
背叛祖国的人
He was denounced as a traitor to his country.
他被谴责为背叛祖国的人。
叛变；成为叛徒
He turned traitor and joined the enemy.
他叛变投敌。
给某人打上叛徒的烙印
The media branded him a traitor after the scandal.
丑闻发生后，媒体给他打上了叛徒的烙印。
称某人为叛徒
She called him a traitor for leaking the secret.
她称他为叛徒，因为他泄露了秘密。
队伍中的叛徒
They suspected there was a traitor in the ranks.
他们怀疑队伍中有叛徒。
事业的背叛者
He was seen as a traitor to the cause of freedom.
他被视为自由事业的背叛者。
adjective
adverb
noun
noun
verb
noun
间谍活动常涉及背叛国家，与叛徒概念相关。
叛徒通常犯有叛国罪，两者在法律和道德上紧密联系。
叛徒的核心行为是背叛，这是一个常见的主题关联词。
叛徒违背忠诚，忠诚与叛徒形成对立但相关的主题。
叛徒常针对国家，国家是叛国行为的对象。
叛变，成为叛徒
He turned traitor and sold secrets to the enemy.
他叛变了，向敌人出卖了秘密。
内部的叛徒
We suspected there was a traitor in our midst leaking information.
我们怀疑内部有叛徒在泄露信息。
事业的叛徒
He was denounced as a traitor to the cause of freedom.
他被斥为自由事业的叛徒。
他是个叛徒！
Sirius Black shouted, 'He was a traitor!' when revealing Peter Pettigrew's betrayal.
小天狼星布莱克在揭露小矮星彼得的背叛时喊道：'他是个叛徒！'
你是叛国者。
King Joffrey declared Ned Stark a traitor to the crown.
乔佛里国王宣布奈德·史塔克是叛国者。
发长 /eɪ/ 音 (如 rain, wait)
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.