分別臭い (ふんべつくさい) Japanese meaning | KotomoraMeanings
1
i-adjective
prudent-looking; looking sensible; appearing wise
Describes someone who seems to have good judgment or common sense, often with a slightly negative nuance of being overly serious or smug.
は
何
も
わかっ
て
い
ない
。
He says things that sound sensible, but he really doesn't understand anything.