employ oneself doing

• 从事于
• 时间花在 ...

employ oneself doing的用法和样例：

例句

1. She used to employ herself in reading after work.
   下班后她常常把时间花在看书上。
2. They spend lots of time doing what they find gratifying and fun.
   他们把大量的时间花在他们认为高兴和有趣的事情上。