難なん癖くせ付つけるConjugationMeanings1expression, ichidan verbfind fault with; blame; nitpickUsed when someone unfairly or unreasonably criticizes or blames another person, often implying the fault is exaggerated or invented. The expression is a set phrase; the particle を is often omitted in the compound form 難癖付ける.See also: 難癖を付ける彼かれはいつも私わたしの仕し事ごとに難なん癖くせ付つける。He always finds fault with my work.