1.push down 下推；叠加

例句:The government had done everything it could to push down inflation.
政府已经采取了所有可能的措施来抑制通货膨胀。

2.drive up 抬高；驱车来到...

例句:You don't ask people to fork out every time they drive up the motorways.
不能要求人们每次开车上高速公路都要交费。

3.pay out 付出

例句:Many policies pay out only after a period of weeks or months.
很多保单在几周或几个月后才得以赔付。

4.fight off 打败；打败

例句:He felt pleasantly drowsy and had to fight off the urge to sleep.
他感觉昏昏欲睡，只好尽量克制睡意。