門外漢
Meanings
1
Refers to someone who is not a specialist or lacks knowledge in a particular field. Often used humbly about oneself or to describe someone outside a professional circle.
I am a layman when it comes to economics.
He's an outsider to medicine, so I can't trust that diagnosis.
Usage patterns
- 〈事〉に(関して)は門外漢だto be an outsider/layman when it comes to a subject
I'm no expert when it comes to economics.
- 門外漢ながら〈動詞〉though being an outsider/layman, to do something
Though I'm not an expert, allow me to offer my opinion.