undo ['ʌn'du:]

vt.
解开, 松开
v.
取消
撤消

单词认知/跟读练习/词义回想/单词回想/字母填空/听写练习/选择练习/默写练习/单词测试（初中高）

单词 undo 网络释义

及物动词 vt.
1.解开,打开;使松开;脱去(衣服等)
He undid the parcel.
他打开了包裹。
2.取消,消除;使失败;使复旧
What's done cannot be undone.
覆水难收。
3.破坏,败坏(成果、名誉等);毁灭[H]
He has undone the good work of his predecessor.
他已毁了他前任取得的良好成就。
4.扰乱,使不安

单词 undo 其它相关

单词解释
vt. 解开,打开,取消,扰乱,毁灭,破坏
vi. 松开
v. 撤消
vt. To untie, disassemble, or loosen.
相关例句
Please undo the package.
　 请解开这包裹。
What is done cannot be undone.
　 覆水难收。
This error undid all our efforts.
　 这个错误使我们前功尽弃。
I am undone!
　 我完蛋了,我不行了!
We can not undo what has been done.
　 覆水难收。
She undid the string round the parcel.
　 她解开了绕在包裹上的绳子。
His buttons were undone.
　 他的钮扣被解开了。
In 5 minutes he undid my whole day's work.
　 他五分钟就把我花一整天做成的事给毁坏了。
相关短语
undo a package 打开包裹
undo a button [a zipper] 解开钮扣 [拉开拉链]
单词变化
时态: undid; undone; undoing
同义反义
同义词：untie, counterbalance, doff, unlock, unfasten, dismantle, disassemble
反义词：enroll, close

单词 undo 其它例句

- That mistake has undone all our good work.
　 那个过错使我们前功尽弃。
- undo a shoelace.
　 解开鞋带
- He undid most of the good work of his predecessor.
　 他把前任的大部分业绩毁掉了。