下衆の後知恵 げすのあとぢえ Also written 下種の後知恵, 下司の後知恵, げすの後知恵, 下種のあと知恵 Meanings Expression hindsight is 20-20 (even for a fool); an afterwit is everybody's wit Kanji 下 down. Read as ゲ. 衆 masses 後 after. Read as あと. 知 know 恵 blessing. Read as エ. Word lists Proverbs Jinuma: Japanese Dictionary · Word lists