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;解開;破壞;擾亂
- vi. 撤消
词根记忆
- un(開) + do(做)→解開
- un(表相反) + do(做)→不做,取消→解開
同根派生
- adj性質的同根詞
- undone:破滅的;未完成的;解開的。
- n性質的同根詞
- undoing:燬滅;取消;燬滅的原因。
- v性質的同根詞
- undone:解開;消除(undo的過去分詞)。
- vt性質的同根詞
- undoing:解開;取消(undo的ing形式)。
用法辨析
- undo指將原本綑綁著的東西打開,如鞋帶、包裹等,即“松開,解開”,主要強調解開的動作,而不強調解開的狀態。引申可指“燬壞,敗壞”。
- undo多用作及物動詞,後接名詞或代詞作賓語。可用於被動結搆。
- undo的過去式是undid,過去分詞是undone。
v. (動詞)
词组短语
- undo band of cloth 解開佈帶
- undo knot 解開結
- undo laces of shoes 解開鞋帶
- undo parcel 解開包裹
- undo rope 解開繩子
用作動詞 (v.)
~+名詞
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
劍橋英英字典
柯林斯英英字典
专业释义
- 撤銷
- 撤消
- 取消
- 廢除
- 解開
- 撤銷
- 還原