Definition: someone who is not good at what they do Level: C1
这个项目失败了，因为它是由一群外行管理的。
The project failed because it was managed by ___amateurs.
在他早期的绘画生涯中，他显然是个业余爱好者。
In his early days as a painter, he was clearly an ___amateur.
修理工作看起来太马虎了，肯定是外行干的。
The repair job looked so sloppy that it had to be the work of an ___amateur.
