undo汉语翻译：
vt. 解开, 取消, 破坏, 毁灭, 扰乱
vi. 松开
【计】 撤消词型变化：
名词:undoer动词过去式:undid过去分词:undone现在分词:undoing第三人称单数:undoes英语解释：
动词 undo:

cancel, annul, or reverse an action or its effect

deprive of certain characteristics同义词：unmake

cause the ruin or downfall of

cause to become loose同义词：untie, loosen

remove the outer cover or wrapping of同义词：unwrap

The knot was fastened in such a way that it was impossible to undo.这个结系得那麽紧，根本解不开。

He undid most of the good work of his predecessor.他把前任的大部分业绩毁掉了。

That mistake has undone all our good work.那个过错使我们前功尽弃。

It's better for the doer to undo what he has done.解铃还需系铃人。

Our folly has undone us.我们的愚蠢行为将自己毁了。