Amateur

不專業 /不专业

bùzhuānyè

(showing lack of professionalism, experience or talent)

業餘 /业余

yèyú

(created, done, or populated by amateurs or non-professional)

愛好者 /爱好者

àihàozhě

(person attached to a pursuit without pursuing it professionally)

業餘者 /业余者

yèyúzhě

(person attached to a pursuit without pursuing it professionally)