jack up

• 动词短语，表示用千斤顶把某物顶起，或抬高价格、数量、水平等。

A phrasal verb used to indicate raising or lifting something, or increasing a price, amount, or level.

不可数 · 及物 · 短语动词，可分

1. Raise with a jackinformal

   To lift something, especially a vehicle, using a jack.

   用千斤顶顶起

   • He jacked up the car to change the tire.
   • The mechanic jacked up the truck to inspect the brakes.
   • You need to jack up the vehicle before removing the wheel.

   同义词elevatehoistliftraise

   反义词depressdroplower

2. Increase sharplyinformal

   To raise prices, costs, or amounts significantly, often unfairly.

   大幅提高

   • The store jacked up the prices during the holiday season.
   • Landlords often jack up the rent without notice.
   • They jacked up the fees for the service.

   同义词boostbump upescalatehikeinflatemark upraise

   反义词cutdroplowerreduceslash

3. Improve or strengthenslangamerican

   To make something more powerful, effective, or exciting.

   提升或加强

   • We need to jack up our marketing strategy.
   • He jacked up the engine for better performance.
   • The coach jacked up the team's morale before the game.

   同义词amplifyaugmentboostenhanceimproveintensifystrengthen

   反义词degradesapundermineweaken

基本动词jack