【词汇讲解】

1. vexing adj. 讨厌的

如：His silly chatter would vex you.
他那无聊的闲扯会使你烦恼。

The boy kept vexing his mother with question.
那小孩不停地问他母亲问题。

2.nocturnal adj. 夜的，夜间发生的

如：Nocturnal animal such as bats and owl only come out at night.
夜行动物，如蝙蝠和猫头鹰只在夜里才出来。

3.expertise n. 专家的意见，专门技术

如：But the areas of our mutual cooperation continue to expand. We have already agreed to cooperate more closely in trade, technology, investment, and exchanges of scientific and managerial expertise.
但是我们彼此合作的领域还在不断增加。我们已经商定在贸易、技术、投资以及科学与管理专门知识的交流等方面更密切地合作。

And the scientist in Boston will be able to call on the expertise of the scientist in Shanghai, and all of it in a matter of seconds.
同样，在美国波士顿的一位科学家，也将能够向上海的一位科学家要求提供专门知识。而这种联系只需要几秒钟的时间就可以接通。

4. nerve-racking adj. 伤脑筋的
5. fleeting adj. 飞逝的(疾驰的，短暂的，急走的)

如：The author has managed to trace many incidents in which the long arm of confidence brought the heroine in fleeting touch with the members of the family.
作者设法追溯了许多事件，在这些事件中，由于离奇的机遇，使女主角与这一家庭有了短时间的接触。

A faint or fleeting indication; a trace.
模糊的暗示模糊的或一闪即逝的暗示; 迹象

（可可英语版权所有,未经允许请勿转载)