子の心親知らず このこころおやしらず Meanings Noun parents do not know their children's motivations (and mistakenly assume they are inconsiderate) See also: 親の心子知らず (おやのこころこしらず). Kanji 子 child. Read as こ. 心 heart. Read as こころ. 親 parent. Read as おや. 知 know. Read as しる. Jinuma: Japanese Dictionary · Word lists