1、suppose
假定;假设;设想
Suppose someone gave you an egg and asked you to describe exactly what was inside.
假设有人给了你一枚鸡蛋并要你准确描述鸡蛋里面有什么。
Supposing he's right and I do die tomorrow? Maybe I should take out an extra insurance policy.
假设他是对的，我确实明天就会死，那该怎么办？也许我应该再买一份保险。
(根据所知)认为，推断，料想
The policy is perfectly clear and I see no reason to suppose that it isn't working.
这项政策非常清楚明了，我没有理由认为它不会奏效。
I knew very well that the problem was more complex than he supposed.
我很清楚那个问题比他料想的要更复杂。
我看;要我说;我想
I get a bit uptight these days. Hormones, I suppose.
这些天我有点焦躁。我看是荷尔蒙在作怪。
I suppose I'd better do some homework.
我看我最好做做功课。
2、volatile
易变的;动荡不定的;反复无常的
There have been riots before and the situation is volatile.
以前曾发生过暴乱，现在局势不太稳定。
The international oil markets have been highly volatile since the early 1970s.
从20世纪70年代初开始，国际石油市场就一直很不稳定。
（人）易变的，情绪无常性的
He accompanied the volatile actress to Hollywood the following year.
第二年他陪着这位情绪无常的女演员去了好莱坞。
He has a volatile temper.
他脾气反复无常。