むとんちゃく

むとんちゃく 【無頓着 】無頓着な 形容詞 【気にしない 】careless ; 【無関心な 】indifferent, unconcerned .▸ 身なりに無頓着だ be careless about [be indifferent to ] one's dress .▸ マルコムは何が起ころうと無頓着だ Malcolm doesn't care (about ) what happens .