defeat sb/sth
及物动词，后面直接跟宾语；宾语通常是比赛或战斗中的对手。
Our team defeated the champions in the final.
我们队在决赛中击败了冠军队伍。
使失败；使无效；挫败；在战斗或竞赛中战胜。；使力量化为乌有。；使无效。
to win against someone in a game, battle, or competition
在战斗或竞赛中战胜。
To overcome in battle or contest.
使力量化为乌有。
To reduce, to nothing, the strength of.
使无效。
To nullify
击败
win a victory over
阻止(某事)实现。
To prevent (something) from being achieved.
一般现在时
They defeat their rivals every year.
他们每年都击败对手。
一般过去时
Our team defeated the opponent last night.
我们的队伍昨晚击败了对手。
现在完成时
She has defeated all her challengers.
她已经击败了所有挑战者。
Our team defeated the champions in the final match.
我们队在决赛中击败了冠军。
用法提示：这里defeat是动词过去式，表示在比赛中战胜对手。
AI contextual example
The army is defeating the enemy forces.
军队正在击败敌军。
用法提示：这里defeat是现在分词形式，与be动词构成现在进行时，表示正在进行的战胜动作。
AI contextual example
She has defeated her fear of public speaking.
她已经克服了对公开演讲的恐惧。
用法提示：这里defeat是过去分词，与has构成现在完成时，表示已经完成的克服。
AI contextual example
及物动词，后面直接跟宾语；宾语通常是比赛或战斗中的对手。
Our team defeated the champions in the final.
我们队在决赛中击败了冠军队伍。
被动语态用 be defeated by 表示“被……打败”。
The army was defeated by the invaders.
这支军队被入侵者击败了。
此义为“使（计划、企图等）无法实现”，宾语多为 attempt、plan、bill 等抽象名词。
The new rules defeated their attempt to build on the land.
新规定使他们在该地块上建房的企图落空了。
口语中最常用，直接指战胜对手；比defeat更随意。
多用于克服困难或偏见，不一定要有直接对手；用于人时语气较弱。
带有长期、彻底征服的意味，常用于军事或抽象挑战。
正式或文学用语，强调成功且常接 over，后面多接对手或难题。
书面或古雅用词，语气强烈，强调完全战胜。
grammar · medium
易错句子Our team defeated the match yesterday.
正确表达Our team won the match yesterday.
defeat 意为“击败（对手）”，宾语必须是人、队伍等对手；比赛本身不能作它的宾语。赢下一场比赛要用 win the match，所以把宾语换成对手时应说 We defeated their team yesterday。
grammar · medium
易错句子Our team was defeat in the final.
正确表达Our team was defeated in the final.
被动语态的结构是 be + 过去分词，defeat 的过去分词是 defeated，不能用动词原形 defeat 充当过去分词，因此要用 was defeated。
grammar · medium
易错句子We defeated to Japan 2–1.
正确表达We defeated Japan 2–1.
defeat 是及物动词，被击败的对手直接跟在后面作宾语，不加介词 to；“输给某队”才说 lose to a team，这里表达的是战胜日本队，所以去掉 to。
本义项为“击败、战胜（对手）”。lose 通常不及物，后接 to；A defeats B 相当于 B loses to A。
指在战斗或冲突中停止抵抗、向对方认输，侧重主动放弃。
与 defeat 相对，表示在压力或对抗中退让、不坚持抵抗。
较正式，指在力量、压力或诱惑下放弃抵抗，与“取胜”相反。
在此义项下，beat 更口语、更日常，宾语通常是人或队；defeat 更正式，除“战胜对手”外还可表示“使（计划、目的）落空”。
win 的宾语通常是比赛、奖项或胜利，不能直接接对手；defeat 的宾语通常是被打败的人或队。
overcome 多接困难、恐惧、障碍等抽象事物，强调成功应对；defeat 常接对手，强调使其失败，也可接计划、提案表示使其不能实现。
击败对手
She defeated her opponent in the final match.
她在决赛中击败了对手。
击败敌人
The army defeated the enemy after a long battle.
军队在长期战斗后击败了敌人。
使目的无法实现；让…失去意义
Making the test too easy defeats the purpose of testing knowledge.
把考试出得太容易就失去了测试知识的意义。
击败一支球队
Our school team defeated the visiting team by three goals.
我们校队以三球击败了客队。
以微弱优势击败
The candidate narrowly defeated his rival in the election.
这位候选人在选举中以微弱优势击败了对手。
n. (defeat + -ism)
n./adj. (defeat + -ist)
adj. (un- + defeat + -ed)
adj. (self + defeating)
adj. (defeat + -able)
de-（前缀，表“向下/相反/去除”）+ feat（词根，源自拉丁语 facere “做”，与 fact 同源；同根词：fact、factory、manufacture），无后缀；同前缀词：decrease、defend、decode
战斗或战役是defeat发生的典型场景。
defeat的对象通常是敌人或对手。
击败对手往往需要制定并执行策略。
竞赛是defeat一词常见的语境之一。
团队比赛中常出现defeat这一结果。
使……失去意义；使……达不到目的
If you remove the safety features, you defeat the purpose of the product.
如果你去掉安全功能，这个产品就失去意义了。
阻碍司法公正；使正义无法伸张
Suppressing evidence defeats the ends of justice.
隐瞒证据会阻碍司法公正。
你可能会遭遇许多失败，但绝不能被击败。
In this line, Maya Angelou reminds us that meeting defeats is unavoidable, but letting ourselves be defeated is a choice.
在这句话中，玛雅·安杰卢提醒我们，遭遇失败不可避免，但让自己被打败是一种选择。
失败是一种心态；除非你接受失败为现实，否则你永远不会被打败。
This saying encourages fighters to view defeat not as a final outcome but as a mental state, and to realize that accepting defeat is what truly defeats you.
这句话鼓励斗士们把失败看作一种心态而非最终结果，并认识到接受失败才是真正让你被打败的原因。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
Watch the sound change