to undo
01
解开, 松开
to release or loosen something that is fastened or tied
Transitive: to undo a fastening or zipper
例子
In a hurry, he struggled to undo the knots of his shoelaces and quickly slipped off his shoes.
匆忙中，他努力解开鞋带的结，并迅速脱掉了鞋子。
02
撤销, 取消
to make null or cancel the effects of something
Transitive: to undo past actions
例子
The software allows users to undo their last edits, providing a safety net in case changes need to be reversed.
该软件允许用户撤销他们的最后编辑，在需要撤销更改的情况下提供一个安全网。
03
撤销, 消除
to remove or negate specific qualities or features
Transitive: to undo the state or effect of sth
例子
The use of strong chemicals can undo the natural oils in your hair.
使用强效化学物质可以去除头发中的天然油脂。
04
打开, 解开
to open or reveal the content of a package
Transitive: to undo a package
例子
She carefully undid the carefully wrapped package to reveal the surprise gift inside.
她小心翼翼地解开了精心包装的包裹，露出了里面的惊喜礼物。
05
毁掉, 破坏
to cause someone or something to get ruined or destroyed
Transitive: to undo sth
例子
The torrential rain threatened to undo the delicate sandcastle they had built on the beach.
倾盆大雨威胁要毁掉他们在海滩上建造的精致沙堡。
