快速答案
revogar 撤销原本有效的规则或行为；anular 因缺陷而使其无效。
可靠的方法是先判断这个词在句子里的功能，再翻译。
每个词的作用
revogar
to repeal or revoke
Use revogar for ending the future force of a valid law, rule, permission, or decision.
anular
to annul or invalidate
Use anular for declaring an act, result, or process invalid, often because of a defect.
如何选择
- revogar: Choose revogar if the sentence points to ending the future force of a valid law, rule, permission, or decision.
- anular: Choose anular if the sentence points to declaring an act, result, or process invalid, often because of a defect.
例句
O município revogou o decreto anterior.
The municipality repealed the previous decree.
O tribunal anulou a votação por irregularidades.
The court annulled the vote because of irregularities.
常见误区
Legal effects, including whether they reach backward, depend on the jurisdiction. Use the exact procedural verb in legal contexts.
放到语境中练习
从你的真实生活中选一个句子，写两遍：一次用 revogar，一次用 anular。如果两个版本都可以，说明意思怎样变化。