undid

音标[,ʌn'did] 读音

汉语翻译

undo的过去式

英语解释：

动词 undo:

1. cancel, annul, or reverse an action or its effect同义词：undo
2. deprive of certain characteristics同义词：unmake, undo
3. cause the ruin or downfall of同义词：undo
4. cause to become loose同义词：untie, undo, loosen
5. remove the outer cover or wrapping of同义词：unwrap, undo

例句：

1. Your buttons areall undone.你的钮扣全解开了。
2. He undid most of the good work of his predecessor.他把前任的大部分业绩毁掉了。
3. He bent down and undid his shoelaces.他俯下身来解开鞋带。