undo

英文造句：

1. The knot was fastened in such a way that it was impossible to undo.
   這個結系得那麽緊，根本解不開。
2. He undid most of the good work of his predecessor.
   他把前任的大部分業績毀掉了。
3. That mistake has undone all our good work.
   那個過錯使我們前功盡棄。
4. It's better for the doer to undo what he has done.
   解鈴還需系鈴人。
5. Our folly has undone us.
   我們的愚蠢行為將自己毀了。

字典網

英文解釋：

動詞 undo:

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

詞型變化：