enthusiast 我对股票 (gǔpiào) 很~. I know very little about stocks. || ~话lay language, mere dabbler’s opinion || 内行看门道, ~看热闹. While the connoisseur recognizes the artistry, the layman simply enjoys the show. 747 
Eiferer Amateur 
amatoriale amatoriale 
amateur amateur 
amateur amateur enthusiast 27 发烧友 [發燒-] fāshāo yǒu (fever-companion) enthusiast: 音乐~ music enthusiast || 桥牌~ bridge (cards) enthusiast ' 我对股票 (gǔpiào) 很~. I know very little about stocks. || ~话lay language, mere dabbler’s opinion || 内行看门道, ~看热闹. While the connoisseur recognizes the artistry, the layman simply enjoys the show. 747 30 外行 [-] wàiháng (outside-profession) 
Sau khi ông giành chức vô địch nghiệp dư, ông đã chuyển sang chuyên nghiệp. 
After he won the amateur championship he turned professional.
Nachdem er die Amateur-Meisterschaft gewonnen hatte, wurde er Profi.
หลังจากที่เขาได้รับตำแหน่งแชมป์มือสมัครเล่นเขากลายเป็นมืออาชีพ
在他赢得业余锦标赛后，他变成了职业球员。