わけしがお 訳知り顔 LinksSentence search for 訳知り顔Sentence search for わけしりがおSentence search for わけ知り顔Kanji details for 訳, 知 and 顔Edit in JMdict Noun1. know-it-all airs; I-know-how-it-is lookOther formsわけ知り顔 【わけしりがお】 Discussions Log in to talk about this word.