back up

1. (идиома, непереходный)To move backwards, especially for a vehicle to do so.

   That beeping sound indicates that the truck is backing up.

   дава́ть за́дний ходdavátʹ zádnij xod

   move backwards from a certain position

2. (идиома, переходный)To move a vehicle backwards.

   Back up the car a little, you're blocking the driveway.

   дви́гаться наза́дdvígatʹsja nazád, сдава́ть наза́дsdavátʹ nazád, возвраща́тьvozvraščátʹ

3. (идиома, непереходный)To undo one's actions.

   I couldn't see how to finish the project, so I backed up and tried it another way.

4. (идиома, непереходный)To reconsider one's thoughts.

   This isn't working. Let's back up and think about it.

5. (идиома, переходный)To copy (data) so that it can be restored if the main copy is lost.

   Back up your documents folder before applying the update.

   де́лать резе́рвное копи́рованиеdélatʹ rezérvnoje kopírovanije, де́лать бэкапdélatʹ bɛkap, забэкапитьzabɛkapitʹ

6. (идиома, переходный)To provide support or the promise of support to.

   You should be careful. This guy is backed up by the local gang.

   When he said I wasn't there, I told him I was, and my buddy backed me up.

7. (идиома, непереходный)For the non-striker to take a few steps down the pitch, in preparation to taking a run, just as the bowler bowls the ball.

8. (идиома, непереходный)For a fielder to position himself behind the wicket (relative to a team-mate who is throwing the ball at the wicket) so as to stop the ball, and prevent overthrows.

9. (идиома, непереходный)To halt the flow or movement of something.

   When I flushed the toilet, the plumbing backed up and burst.

10. (идиома, разговорное, непереходный)To fill up because of a backlog.

11. (идиома, непереходный)If a property backs up to another property, that means it abuts or shares a border with another property.

    We bought this house specifically because it backs up to our son's school.

12. (устаревшее)To run a printing press in reverse.

1. Tom always had a back up plan.

   У Тома всегда был запасной план. — Wezel

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2. Tom backed everything up on an external hard drive.

   Том сохранил все данные на внешний жёсткий диск. — odexed

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3. That kid was almost run over when the truck backed up.

   Того мальчишку чуть не задавило, когда грузовик подал назад. — Hellerick

   deDas Kind wurde fast überfahren, als der LKW rückwärts fuhr. — xtofu80

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4. Tom had a back up plan in case something went wrong.

   У Тома был запасной план на случай, если что-то пойдёт не так. — odexed

   deTom hatte noch einen Ausweichplan für den Fall, dass etwas schiefginge. — Pfirsichbaeumchen

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5. I'll back you up.

   Я тебя поддержу. — fjay69

   ukЯ тебе підтримаю. — deniko

   deIch unterstütze dich. — Zaghawa

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неправильный

• back upдавать задний ход, возвращатьсяTo move backwards, especially for a vehicle to do so.
• back offотступатьTo move backwards away from something.
• back outсдавать назад, дать задний ходTo reverse (a vehicle) from a confined space.
• back downдать задний ход, пойти на уступкиTo take a less aggressive position in a conflict than one previously had, or has planned to have.
• back awayотступить, отступатьTo move in a direction opposite to that which one is facing, keeping one's attention on the thing in front being avoided.
• back inTo reverse a vehicle into a space.
• back intoTo advance to the post-season as a result of another team's loss, especially where one's own team has also lost.