Word · Frequency #4403
defect
叛变；变节；投敌
to abandon one's loyalty or side, especially by leaving a military force or political party
- 1.
To abandon or turn against; to cease or change one's loyalty, especially from a military organisation or political party.
背叛或改变忠诚,尤其是从军事组织或政党
- 2.
To desert one's army, to flee from combat.
逃离军队,逃避战斗
- 3.
To join the enemy army.
加入敌军
- 4.
To flee one's country and seek asylum.
逃离国家并寻求庇护
逃亡；流亡国外寻求庇护；背叛或改变忠诚,尤其是从军事组织或政党；逃离军队,逃避战斗；加入敌军；逃离国家并寻求庇护
In use
The doctor found a small defect in the patient's heart valve.
This software has a critical defect that causes it to crash.
His major character defect is his inability to trust others.
Verb forms
base defect · third person defects · -ing defecting · past defected · past participle defected
规则动词：defect - defected - defected，注意现在分词双写t？不，正常加ing。
Connections
Collocations
- defect to the enemy
- 投敌；叛逃到敌方
- The general was accused of planning to defect to the enemy.这位将军被指控计划投敌。
- defect from the party
- 脱党；背弃政党
- Several members defected from the party after the scandal.丑闻之后，数名党员脱离了该党。
- defect to another country
- 叛逃到另一个国家
- The scientist defected to another country to escape arrest.这位科学家为逃避逮捕叛逃到了另一个国家。
- defect to the opposition
- 投靠反对派
- Two MPs defected to the opposition last week.上周两名议员投靠了反对派。
- defect from the army
- 叛离军队；逃离军队
- He was caught trying to defect from the army.他在试图从军队叛逃时被抓获。
Learner notes
Memory Tip
把 defect 想象成一名士兵在战场上扔下头盔、转身跑向敌方阵营，这就是叛变/投敌。
Context & Register
语域：formal 常见场景：political news、military reports、historical accounts 动词 defect 多用于正式或书面语，常见于政治、军事或历史叙述中，表示‘叛变、投敌’或‘逃亡国外’；日常口语中较少使用。
Grammar Note
常与 from 或 to 连用，表示叛逃或投靠
Pronunciation & Spelling
按所给发音 /ˈdifɛkt/，这些常用词都不能与它押韵，主要是拼写参考。effect、infect、reflect、collect、detect 都以重读元音 /ɛ/ 加 /kt/ 结尾，彼此可成韵；perfect 读 /ˈpɜːrfɪkt/，与 -fect 拼写相似但音不同，是典型的“看拼写猜读音”陷阱。
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.