avocation
n. 副业；业余爱好；嗜好
例句
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。
《柯林斯英汉双解大词典》
In fact, fishing is my avocation.
事实上，钓鱼是我的一大嗜好。
Writing poems is just an avocation with me.
写诗不过是我的一个业余爱好而已。
