avocation

例句：

1. 1. I have a passion for painting and it's my avocation.
   我对绘画有热情，这是我的业余爱好。
2. 2.She spends her leisure time reading books and playing the piano.
   她利用空闲时间阅读书籍和弹钢琴。
3. 3.His avocation is gardening, which he enjoys immensely.
   他的业余爱好是园艺，他非常喜欢。