n.[C]

1. （科学，艺术，运动等的）业余从事者
   Our actors were all enthusiastic amateurs.

   我们的演员都是热情的业余爱好者。

2. 外行；粗通（某一行）的人
   The young politician is an amateur at manipulating public opinion.

   那个年轻政客在操纵舆论方面是个外行。

3. 爱好者[（+of）]

a.[Z]

1. 业余的
   The pictures were taken by an amateur photographer.

   这些照片是一位业余摄影师拍的。

2. 外行的，不熟练的
   Her acting was very amateur.

   她的演技很难恭维。

n.

1. a person who engages in a pursuit, especially a sport, on an unpaid basis.
2. a person considered inept at a particular activity.

adj.

1. non-professional.
2. inept or unskilful.