重点讲解：
1. wait on/upon
服务；服侍；招待；
eg. There were plenty of servants to wait on her.
有很多仆人服侍她。
eg. We must get enough people to wait upon the guests.
我们要找足够的人来招待客人。
2. deign to do sth.
屈尊；俯就；降低身份做某事；
eg. At last, Harper deigned to speak.
哈珀终于赏脸开了口。
eg. Weatherby didn't deign to reply.
韦瑟比不屑回答。
3. be absorbed in
专心的；全神贯注的；
eg. He is absorbed in the calculation of that difficult maths problem.
他全神贯注地在算那道数学难题。
eg. All of us were deeply absorbed in happy reminiscences.
我们都深深地沉浸在幸福的回忆中。
4. wear off
（感觉等）逐渐消失，消逝；
eg. For many the philosophy was merely a fashion, and the novelty soon wore off.
对许多人来说哲学只是一种时髦罢了，不久就没新鲜感了。
eg. Now that the initial shock was wearing off, he was in considerable pain.
最初的震惊渐渐过去之后，他感到疼痛难忍。