せんもんばか
Meanings
Noun
1. ignorance outside of one's own field; overspecialization; one-trick pony
Pitch accent
⚠
せ
んも
んばか
Composed of
speciality; specialty; special subject of study; sole interest; single focus; concentrating exclusively on
idiot; moron; stupid; foolish; trivial; insignificant; malfunctioning