ここころおやし 子の心親知らず LinksSentence search for 子の心親知らずSentence search for このこころおやしらずKanji details for 子, 心, 親 and 知Edit in JMdict Noun1. parents do not know their children's motivations (and mistakenly assume they are inconsiderate)See also 親の心子知らず Discussions Log in to talk about this word.