defection from [group/country]
后接被离开的政党、组织或国家。
There have been several defections from the ruling party.
执政党内已有多人叛离。
背叛；叛离
defections — plural of defection
背叛或变节的行为或事件。；尽管有忠诚或责任,但撤回支持或帮助；放弃宗教信仰、政党或事业的状态(通常转向反对的信仰或事业)；缺乏
the act of withdrawing support or help from a person, group, or country to which one has allegiance or responsibility
背叛或变节的行为或事件。
An act or incidence of defecting.
尽管有忠诚或责任,但撤回支持或帮助
withdrawing support or help despite allegiance or responsibility
放弃宗教信仰、政党或事业的状态(通常转向反对的信仰或事业)
the state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes)
Her sudden defection from the committee surprised everyone.
她突然脱离委员会，让所有人都感到惊讶。
用法提示：defection 是名词，作主语，表示背叛或脱离组织。
The manager's defection to a competitor was seen as a serious betrayal.
那位经理转投竞争对手，被视为一次严重的背叛。
用法提示：defection 是名词，作介词 to 的宾语，指投靠对方阵营。
Several defections have left the group too weak to continue.
几次叛离让这个团体虚弱得无法继续下去。
用法提示：defections 是 defection 的复数形式，作主语，指多次背叛行为。
后接被离开的政党、组织或国家。
There have been several defections from the ruling party.
执政党内已有多人叛离。
后接所加入的一方，常指敌对方或竞争对手。
His defection to the enemy was a heavy blow to the army.
他的投敌对军队是一个沉重的打击。
强调叛离者本人，常与其后的from或to搭配。
The defection of the general changed the course of the war.
这位将军的叛变改变了战争的进程。
desertion 常指未经许可离开军队、岗位或职责；defection 更强调转而支持对方阵营。
betrayal 范围更宽，可指对个人或团体的背叛；defection 通常包含离开并倒向另一方的行为。
apostasy 多用于宗教或意识形态领域，指公开放弃原先信仰或立场，语体较正式。
treason 为法律用词，特指本国公民对国家的背叛，后果严重；defection 不一定构成犯罪。
grammar · medium
易错句子He defection from the party last year.
正确表达He defected from the party last year.
defection 是名词，不能直接作谓语；表示“叛离”的动作应用动词 defect。改成 defected 后句子语法正确。
grammar · medium
易错句子His defection of the team surprised everyone.
正确表达His defection from the team surprised everyone.
defection 后接 from 表示“从某个组织或国家叛离”；用 of 会误为所属关系，无法表达离开的对象。
grammar · medium
易错句子There were many defection in the government.
正确表达There were many defections in the government.
defection 是可数名词，复数形式为 defections；many 后需用复数，因此要加 -s。
指对个人、组织或国家的持续支持和忠诚，与“背叛”相对。
强调对政府或君主等的效忠义务，与“叛离”相对。
侧重于对承诺或关系的坚守，与“背弃”相对。
强调感情上的忠诚与投入，与“变节”相对。
指继续给予帮助或支持，与“撤回支持”相对。
defect 可作动词（叛逃）或名词（缺陷）；defection 只作名词，指叛逃或背叛的行为本身。
desertion 侧重抛弃职责、军队或家人，不一定是政治性的；defection 侧重政治上叛离并投向对方阵营。
betrayal 指欺骗、出卖他人或国家，不一定要离开；defection 指公开叛离并转投另一方。
大规模叛离
The party's leadership was alarmed by the mass defection of young voters.
该党领导层对年轻选民的大规模叛离感到震惊。
政治叛离
His political defection made front-page news.
他的政治叛离登上了头版新闻。
从……叛离
Her defection from the movement was seen as a betrayal.
她脱离该运动被视为一种背叛。
叛逃到……
The general's defection to the rebels changed the course of the war.
将军叛逃到叛军那边改变了战争的进程。
叛离率
The defection rate among party members has increased sharply.
党员中的叛离率急剧上升。
de-（离开/去除）+ fect（做，制造）+ -ion（名词后缀）；同根词：defect（缺陷），defective（有缺陷的），infect（感染），affect（影响）
叛逃者常寻求政治庇护。
叛逃者可能泄露或提供情报。
叛逃往往是离开某个政权或对其不满的表现。
意识形态分歧是叛逃的常见动机。
外交官叛逃是常见现象，尤其在冷战时期。
Dictionary facts from ECDICT, WIKTIONARY.
高调叛离（引人注目的叛离）
The high-profile defection of the senator weakened the administration.
参议员的高调叛离削弱了政府。