n.业余爱好者;外行,生手;
adj.业余的,非职业的;外行的;
例句:
AIM : To compare the differences of muscle strength of shoulder joint between professionals and amateur sprinters.
目的: 比较专业和业余短跑运动员肩关节肌肉力量的差异.
The choir is now way beyond being an amateur community choir.
唱诗班现在是一个业余的职业社区唱诗班.
Cent amateur and teach by correspondence form of two kinds of study.
分业余和函授两种学习方式.