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jack up (2)

Meaning: If you jack something up, you use a jack to lift it off the ground.

For example:

  • jack up sth If you've got a flat tyre, jack up the car and then you can change the tyre.

  • jack sth up If you've jacked a car up, don't get under it because the jack could break or tip over and the car could fall on top of you.

Note: A jack is a piece of equipment for lifting heavy objects, esp. one for raising a vehicle's axle off the ground so that a wheel can be replaced or the underside can be inspected.

Quick Quiz:

If someone has jacked up their car, they probably have
  1. a really fast car
  2. a really expensive car
  3. a flat tyre

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