undo

外す、ほどく

服や物をつなぎ留めているものを外したり、ほどいたりする。

やさしい英語で： To open something that holds clothes or other things together.

• Please undo your belt.
• She undid the buttons on her coat.
• I could not undo the knot in my shoelaces.

類義語： unfasten, untie

反対語： fasten

よく使う表現： undo a button, undo a knot, undo a belt

元に戻す、取り消す

行われたことの影響や結果をなくす。

やさしい英語で： To remove the effects of something that has been done.

• We cannot undo the damage.
• One careless decision undid years of progress.
• Can anything undo the harm this caused?

類義語： reverse, cancel out

よく使う表現： undo the damage, undo a mistake, undo someone’s work

元に戻す

ファイルやプログラムを最後の変更の前の状態に戻す。

やさしい英語で： To return a computer file or program to how it was before your last change.

• You can undo that edit.
• I accidentally deleted a paragraph, then undid the change.
• Press these keys to undo your last action.

類義語： revert

反対語： redo

よく使う表現： undo an edit, undo a change, undo the deletion

元に戻す操作

コンピューターで最後の変更を取り消す命令や操作。

やさしい英語で： A computer command or action that removes the last change you made.

• Click the undo button.
• The editor allows several undos in a row.
• An undo restored the text I had deleted.

反対語： redo

よく使う表現： undo button, undo command, undo function