玩票性質 的英文怎麼說?

玩票性質意思是為興趣而做，並非為賺錢。例如有些人喜歡唱粵曲，參加一些表演，不收錢或只收少量車馬費。

所以可以用 hobby 或 avocation 表示，兩者都有興趣的意思，例如:

My hobby is swimming.
His avocation is a jazz musician.

vocation = 正職

如果要指一個有實力但還沒有到職業水準的，就可用 amateur，例如:

She was an amateur singer until she turned 50, when she turned professional.