Make sure you've got the tools ready before you jack up the car.要确定已经把工具准备好, 然后再顶起汽车。

All I had to do was jack the car up and put on the spare.我要做的只是用千斤顶把汽车顶起来, 然后装上备用轮胎。

The plan would cost so much that the company would have to jack up its prices.这项计划成本会很高, 所以公司将不得不提高价格。

Inflation has jacked up the rate of unemployment.通货膨胀抬高了失业率。