repeal

Compared meaning: to officially cancel a law or decision (verb).

比较义项：正式撤销法律、决定或授权（动词）。

• overturn

  Used mainly for reversing a court ruling, verdict, or official decision, often by a higher authority; implies replacing it with the opposite outcome.

  主要用于推翻法院的裁决、判决或官方决定，通常由更高一级的权威做出；意味着以相反的结果取而代之。

  The appeals court overturned the jury's guilty verdict on a technicality.

  上诉法院以程序问题为由推翻了陪审团的有罪裁决。

• repeal 本词

  Used specifically for laws, acts, or legislation; the action is taken by a legislature or lawmaking body to formally end the law's effect.

  专门用于法律、法案或立法；该行为由立法机构或议会实施，以正式终止该法律的效力。

  Congress voted to repeal the outdated tax law last year.

  国会去年投票废除了那项过时的税法。

• revoke

  Used for withdrawing something officially granted, such as a license, permit, visa, or citizenship, taking back a right previously given.

  用于收回官方授予的事物，例如执照、许可证、签证或公民身份，即收回此前给予的权利。

  The airline revoked her frequent-flyer status for abusive behavior.

  由于行为不当，航空公司取消了她的常旅客身份。

• rescind

  A formal word for cancelling a decision, offer, contract, or order, often because circumstances changed; treats it as if it never took effect.

  较为正式的用语，指撤销决定、提议、合同或命令，通常因情况发生变化；使其如同从未生效一般。

  The university had to rescind its acceptance letter due to a paperwork error.

  由于文件出现错误，大学不得不撤销了那份录取通知书。

Overturn, repeal, revoke, and rescind all mean to officially cancel something. Overturn reverses a court ruling. Repeal cancels a law. Revoke withdraws something granted, like a license or visa. Rescind cancels a decision, offer, or contract. Not covered: revoke's card-game sense, failing to follow suit.

这四个词都表示正式撤销某项法律、决定或授权，但语气和搭配不同：overturn 常用于推翻法院裁决；repeal 专指立法机构废除法律；revoke 指收回已授予的执照、签证等权利；rescind 语气较正式，指撤销决定、提议或合同。这里不比较 revoke 在纸牌游戏中表示「藏牌」（未按规定跟牌）的义项。