名詞 amateur:

1. someone who pursues a study or sport as a pastime
2. does not play for pay

形容詞 amateur:

1. engaged in as a pastime
   同義詞：recreational, unpaid
2. lacking professional skill or expertise
   同義詞：amateurish, inexpert, unskilled

1. Amateur actors often overact.
   業(yè)余演員往往表演過火。
2. The competition is open to both amateur and professional photographers.
   業(yè)余的和職業(yè)的攝影者均可參賽。
3. The tournament is open to amateurs as well as professionals.
   這次比賽不僅職業(yè)運(yùn)動(dòng)員可以參加，而且業(yè)余運(yùn)動(dòng)員也可以參加。
4. He is an amateur painter.
   他是一個(gè)業(yè)余畫家。
5. He is an amateur photographer.
   他是個(gè)業(yè)余攝影愛好者。
6. You are a professional, but I am an amateur.
   你是專職的，我是業(yè)余的。