undo

• 动词，表示取消、撤销或使某个动作、操作或效果失效，恢复到之前的状态。常用于计算机操作、命令及一般行为。

A verb used to indicate the act of reversing, canceling, or nullifying an action or effect.

不规则动词

1. Cancel or reverseB1formal

   To cancel, annul, or reverse an action or its effect.

   撤销

   • He tried to undo the damage by apologizing.
   • You can undo the last action by pressing Ctrl+Z.
   • The new law could undo years of progress.

   同义词abrogateannulcancelcounteractinvalidatenegateneutralizenullifyquashrescindreverserevokevoid

   反义词accomplishdoeffectenactexecuteimplementperformredress

2. Deprive of characteristicsC1formal

   To remove or strip away certain qualities or attributes.

   剥夺特性

   • The harsh criticism undid all her confidence.
   • Time can undo even the strongest bonds.
   • The scandal undid his reputation completely.

   同义词denudedeprivedismantlediveststripunmake

   反义词endowimbueinvest

3. Cause ruin or downfallC1formal

   To cause the ruin, destruction, or downfall of someone or something.

   毁掉

   • His greed ultimately undid him.
   • The company was undone by a series of bad investments.
   • One mistake can undo a lifetime of hard work.

   同义词defeatdemolishdestroyoverthrowruinsubverttoppleunderminevanquishwreck

   反义词buildconstructcreateestablishfound

4. Loosen or unfastenB1formal

   To cause something to become loose, untied, or unfastened.

   解开或松开

   • She undid the knot in the rope.
   • He undid his tie after the long meeting.
   • The child undid the buttons on his coat.

   同义词detachloosenreleaseunbuttonunclaspunfastenuntieunzip

   反义词bindfastensecuretietighten

5. Remove wrappingB1formal

   To remove the outer cover or wrapping from something.

   拆开包装

   • She undid the package carefully.
   • He undid the wrapping paper to reveal the gift.
   • The child undid the box to see what was inside.

   同义词openunbinduncoveruntieunwrap

   反义词wrap