insane
精神失常的;精神错乱的
Doctors certified him as insane.
医生证明他精神失常。
The prisoners were slowly going insane.
囚犯正慢慢地变得精神错乱起来。
rollercoaster
不断变化的局势
The last few weeks have been a real roller coaster.
过去的几个星期,形势真是变幻莫测。
pull sth off
(informal) to succeed in doing sth difficult
做成,完成(困难的事情)
We pulled off the deal.
我们做成了这笔交易。
I never thought you'd pull it off.
我真没想到你把这事办成了。
disappointment
失望;沮丧;扫兴
Book early for the show to avoid disappointment.
欲看演出,从速订票,以免向隅。
To our great disappointment, it rained every day of the trip.
这次旅行天天下雨,让我们大失所望。