n.门外汉，外行，俗人，一般信徒
These technical terms are difficult for the layman to understand.
这些专门术语是外行人难以理解的.
Where the law is concerned , I am only a layman.
谈到法律, 我不过是门外汉.
Where the law is concerned, I'm only a layman.
就法律而言, 我只不过是一个门外汉.
汉字吧hanzi8.com