undo
undo
英[ʌnˈduː]美[ʌnˈduː]
vt.松开，解开，取消，废除，毁灭，扰乱；
vi.撤销；
第三人称单数：undoes;
过去式：undid;
过去分词：undone;
现在分词：undoing;
例句
His pride will undo him some day.他的傲慢总有一天会毁了他。
Can you undo this knot?你能解开这个结吗?
Although multiple Undo solves these problems, it introduces some significant problems of its own.虽然多次撤销能解决这些问题, 但也存在一些问题.
Aborts an undo context, discarding all undo state.中止撤消上下文, 放弃所有撤消状态.
She prepared to undo the band of cloth around his arm which had served as tourniquet.她准备解开缠在他胳臂上止血的布带.
Many operations, however, masquerade as Undo - proof , but they are really easily reversible.然而很多操作伪装成 防 撤销的, 但其实很容易恢复.
A heavy-handed approach from the police could undo that good impression.警方采取高压手段可能会毁掉之前留下的好印象。
If Michael won, he would undo everything I have fought for.如果迈克尔赢了，那我一直以来努力争取的一切都将白费。
The sole reason the Recycle Bin exists is to implement an undo facility for deleted files.回收站存在的唯一理由就是实现文件删除的撤销工具.
A second click of the Format - Undo button would reverse the italicize operation.再输入更多的文本,按下格式撤销键,结果仅仅是段落的缩进撤销了.
英语六级真题
Perhaps with the tools of this new technological revolution, we will be able to undo some of the damage done to the natural world by the last one—industrialization.
2019年6月六级真题（第一套）阅读 Section CThat suggests that catch - up sleep may undo some but not all of the damage that sleep 32 deprivation causes, which is encouraging, given how many adults don't get the hours they need each night.
2015年12月六级真题（第二套）阅读 Section A柯林斯高阶英汉双解学习词典释义
VERB
解开；松开；打开
If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it.
例句
I managed secretly to undo a corner of the parcel...我悄悄地设法解开了包裹的一角。I undid the bottom two buttons of my yellow and grey shirt...我解开了自己黄灰相间的衬衫上*下面的两个纽扣。VERB
撤销；抵消；消除
To undo something that has been done means to reverse its effect.
例句
A heavy-handed approach from the police could undo that good impression...警方采取高压手段可能会毁掉之前留下的好印象。She knew it would be difficult to undo the damage that had been done...她知道想要消除已经造成的损害是很难的。VERB
破坏；毁掉
If a person, organization, or plan is undone by something, that thing causes their failure.
例句
They were undone by a goal from John Barnes...约翰·巴恩斯的一粒进球使他们落败。Macbeth is the story of a Scottish soldier who becomes king but is undone by his own ambition.《麦克白》讲述的是一个苏格兰士兵当上了国王，却毁于自己的野心。英汉词典释义
vt.
松开, 解开
Can you undo this knot?你能解开这个结吗?He undid the parcel.他打开包裹。He undid the string round a parcel.他解开了绑包裹的绳子。He bent down and undid the laces of his shoes.他弯腰解开鞋带。毁灭; 败坏
His pride will undo him some day.他的傲慢总有一天会毁了他。He did wrong, and in the end his wrongs undid him.行恶者终以其恶毁其身。This mistake has undone all our good work.这个错误使我们所有良好的工作白做了。The evil that he did can never be undone.他做的坏事永远不会被抹掉。What is done cannot be undone.覆水难收。英英词典释义
Verb
1. cancel, annul, or reverse an action or its effect;
"I wish I could undo my actions"2. deprive of certain characteristics
3. cause the ruin or downfall of;
"A single mistake undid the President and he had to resign"4. cause to become loose;
"undo the shoelace""untie the knot""loosen the necktie"5. remove the outer cover or wrapping of;
"Let's unwrap the gifts!""undo the parcel"行业词典
计算机： 取消，废除，撤消，作废；【微软】悔牌；
