1
quash sth
常用于法律语境，表示撤销或废止。
The court quashed the conviction.
法院撤销了判决。
镇压；平息；压制
先理解核心含义，再看它在真实句子里的用法。
镇压；平息；压制
to put down or suppress (something) forcefully
The court quashed the conviction.
法院撤销了判决。
彻底击败,镇压
To defeat decisively, to suppress.
废除或撤销(传票、决定等)
To void or suppress (a subpoena, decision, etc.).
quash
Base
原形
quashes
3rd person
第三人称单数
quashing
-ing
现在分词
quashed
Past
过去式
quashed
Past participle
过去分词
The judge quashes the indictment.
法官撤销起诉。
The police quashed the riot.
警方平息了暴乱。
The government is quashing dissent.
政府正在镇压异议。
规则动词，过去式和过去分词加-ed。
The court quashed the previous ruling.
法院撤销了之前的裁决。
The government quashed the rebellion swiftly.
政府迅速镇压了叛乱。
She quashed her anger before responding.
她在回应前平息了怒气。
常用于法律语境，表示撤销或废止。
The court quashed the conviction.
法院撤销了判决。
表示用强力平息或镇压。
The government quashed the rebellion.
政府镇压了叛乱。
被动语态常见。
The appeal was quashed by the judge.
上诉被法官驳回了。
Not this
He quashed the spider with his shoe.
Use this
He squashed the spider with his shoe.
Quash 意为‘镇压、撤销’，不表示物理压碎；squash 才表示‘压扁、压碎’。
Not this
The quash of the rebellion took two days.
Use this
The quashing of the rebellion took two days.
Quash 是动词，不能直接用作名词；应用动名词 quashing 表示‘镇压’这一动作。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
镇压叛乱
The government sent troops to quash the rebellion.
政府派军队镇压叛乱。
镇压抗议
Police moved in to quash the protest.
警方介入镇压抗议。
撤销定罪
The appeal court quashed his conviction.
上诉法院撤销了对他的定罪。
撤销传票
The judge refused to quash the subpoena.
法官拒绝撤销传票。
平息谣言
The company issued a statement to quash rumors of a merger.
公司发表声明平息合并的谣言。
撤销决定
The court quashed the board's decision.
法院撤销了董事会的决定。
Use quash naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想squash（压扁）去掉s：quash就是用力压下——镇压骚乱，或把判决压掉（撤销）。
语域：formal 常见场景：formal writing/speech、legal proceedings quash 通常用于正式或法律语境：指“镇压/平息”时偏书面，指“依法撤销/宣布无效”时常见于法律（如 quash a subpoena）。随意的日常口语中一般较少用。
及物动词，后接宾语，表示撤销、废止或镇压的动作
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.