undo
音标发音
- 英式音标 [ʌnˈduː]
- 美式音标 [ʌnˈduː]
- 国际音标 [,ʌn'du:]
- 英式发音
- 美式发音
基本解释
- vt. 取消；解开；破坏；扰乱
- vi. 撤消
词根记忆
- un(开) + do(做)→解开
- un(表相反) + do(做)→不做，取消→解开
同根派生
- adj性质的同根词
- undone：破灭的；未完成的；解开的。
- n性质的同根词
- undoing：毁灭；取消；毁灭的原因。
- v性质的同根词
- undone：解开；消除（undo的过去分词）。
- vt性质的同根词
- undoing：解开；取消（undo的ing形式）。
用法辨析
- undo指将原本捆绑着的东西打开,如鞋带、包裹等,即“松开,解开”,主要强调解开的动作,而不强调解开的状态。引申可指“毁坏,败坏”。
- undo多用作及物动词,后接名词或代词作宾语。可用于被动结构。
- undo的过去式是undid,过去分词是undone。
v. (动词)
英汉例句
- Can you undo this knot?
你能解开这个结吗?
用作动词 (v.)
用作及物动词: S+～+ n./pron.
词组短语
- undo band of cloth 解开布带
- undo knot 解开结
- undo laces of shoes 解开鞋带
- undo parcel 解开包裹
- undo rope 解开绳子
用作动词 (v.)
～+名词
英英字典
- (UNFASTEN) to unfasten something that is fastened or tied
- (REMOVE EFFECTS) to remove the good or bad effects of an action or several actions
- 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.
- To undo something that has been done means to reverse its effect.
- &rarrsee also undoing
剑桥英英字典
柯林斯英英字典
专业释义
- 撤销
- 撤消
- 取消
- 废除
- 解开
- 撤销
- 还原