1.in power 执政的；掌权的

例句:The party has been in power since independence in 1964.
该党自1964年独立以来一直执政。

2.ratchet up 逐渐升高

例句:He fears inflation will ratchet up as the year ends.
他害怕通货膨胀会在年终更加严重。

3.in sight 眼前的；在即的

例句:There was no garage in sight, so I hitched a lift into town.
放眼望去看不到修车厂，所以我就搭顺风车进了城。

4.cut off 切断；中断

例句:They were almost completely cut off from the outside world.
他们几乎完全与外界绝缘了。