例句：
The paintings looked amateurish.
这些绘画看起来是业余画家的作品。
He scoffed at our amateurish attempts.
他对我们不在行的尝试嗤之以鼻。
Detectives described the burglary as 'crude and amateurish'.
侦探称这次夜盗是拙劣的`生手干的。
Detectives described the burglary as 'crude and amateurish'.
侦探称这次夜盗是拙劣的生手干的。