avocation /ˌævəˈkeɪʃən/

• 1. 

  N-VAR Your avocation is a job or activity that you do because you are interested in it, rather than to earn your living. 业余爱好; 嗜好 [正式]

  例：

  He was a printer by trade and naturalist by avocation.

  他在印刷厂工作，同时是个博物学爱好者。