amateur

1. N-COUNT An amateur is someone who does something as a hobby and not as a job. 业余爱好者

Jerry is an amateur who dances because he feels like it. 杰瑞是一位业余舞蹈爱好者，他跳舞因为他喜欢跳。

2. ADJ Amateur sports or activities are done by people as a hobby and not as a job. 业余的[ADJ n]

...professional athletes and amateur runners. …专业运动员和业余赛跑运动员。