undo

英文釋義

to open something tied or fastened; to cancel the effect of something

例句

• 疑問句 · 第 1 態Can you undo this knot for me?
• 祈使句 · 第 1 態Undo your seat belt only when the plane stops.
• 過去式 · 第 2 態Yesterday Ben undid all my hard work in five minutes.
• 過去式 · 第 2 態Last night I undid the top button of my shirt because it was so hot.
• 現在完成式 · 第 3 態I’ve undone the last change, so the file is back to normal.
• 被動語態 · 第 3 態The damage to the old building can’t be undone.

注意

同類變化

A — B — C三態各不相同