せんもんバカ
Meanings
Noun
Four character compound
1. person who is ignorant outside his field
Kanji used
specialty
gate
Pitch accent
んも
んバカ
Composed of
① 専らその分野だけに、深く携わっている仕事や学問。② 一つのことに専念すること。
idiot; moron; trivial matter; folly; stupid; foolish