1、wear off

（感觉等）逐渐消失，消逝

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。

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。

2、compulsion

强烈欲望;(难以克制的)冲动

He felt a sudden compulsion to drop the bucket and run.

他突然有一种想扔掉水桶撒腿就跑的冲动。

It's a compulsion to write, more than talent, that makes a writer.

成为作家要有天分，但更要有创作的冲动。

强迫;强制

Many universities argued that students learned more when they were in classes out of choice rather than compulsion.

很多大学认为如果学生上课是出于自愿而不是被迫，那么他们学到的东西会更多。

There is already an element of compulsion in existing government schemes for the unemployed.

政府现行的失业方案已经有点强制的意味了。