難なん癖くせ

noun

fault; flaw; defect

Often used in the phrase 難癖をつける (to find fault with, to pick on). Refers to a perceived shortcoming or a pretext for criticism.

• 彼かれはいつも私わたしの仕し事ごとに難なん癖くせをつける。

  He always finds fault with my work.

• その批ひ評ひょう家かは小ちいさな難なん癖くせを探さがしてばかりいる。

  That critic is always looking for minor flaws.