back up

バックアップする

元のファイルがなくなった場合に備え、予備のコピーを作る。

やさしい英語で： To make an extra copy of computer files in case the original files are lost.

• Always back up your files.
• I backed up my photos last night.
• Does this program back everything up automatically?

使い方： back something up (Remember to back your files up.); back something up to something (I back my photos up to an external drive.)

類義語： make a backup, copy

よく使う表現： back up files, back up data, back up photos

後退する、バックする

特に車などの乗り物で、後ろに進む。

やさしい英語で： To move backwards, especially in a car or other vehicle.

• Please back up a little.
• The truck backed up towards the gate.
• Can you back up without hitting the fence?

類義語： reverse, move backwards

反対語： advance

よく使う表現： back up slowly, back up carefully

支援する、裏付ける

人を支えたり、発言が正しいことを示す証拠を提供したりする。

やさしい英語で： To support someone or help show that a statement is true.

• Will you back me up?
• Her friends backed her up during the argument.
• The report backs up our claims with clear evidence.

使い方： back someone/something up (The witnesses backed her story up.); back something up with something (He backed his claim up with photographs.)

類義語： support, stand by, confirm

反対語： oppose

よく使う表現： back up someone, back up claims, back up something

バックさせる

車などの乗り物を操作して、後ろに進ませる。

やさしい英語で： To make a car or other vehicle move backwards.

• Please back up the car.
• He backed the truck up to the loading bay.
• Can you back it up another metre?

使い方： back something up (She backed the van up carefully.); back up something (Please back up the car a little.)

類義語： reverse

よく使う表現： back up something, back up vehicles

前の段階に戻る

別の方法を試すため、すでに行った手順を取り消して戻る。

やさしい英語で： To undo earlier steps so you can try a different way.

• We need to back up and start again.
• I backed up two steps and tried a different method.
• They backed up to the last working version and rebuilt the page.

類義語： go back, retrace your steps

よく使う表現： back up again, back up first

考え直す

考えの前の段階に戻って、もう一度検討する。

やさしい英語で： To return to an earlier point in your thinking and consider it again.

• Let us back up and think again.
• She backed up and questioned her first idea.
• Before we decide, can we back up and consider the problem?

類義語： rethink, reconsider

よく使う表現： back up briefly, back up mentally