むずかかお 難しい顔をする Show inflections LinksSentence search for 難しい顔をするSentence search for むずかしいかおをするKanji details for 難 and 顔Edit in JMdict Expressions (phrases, clauses, etc.), Suru verb - included1. to look displeased; to frown; to scowl; to look grave; to look seriousSee also 難しい Discussions Log in to talk about this word.