孝こう子しこうしFreq.FrequencyTop 100,000Meanings1nounfilial child; dutiful childRefers to a child who is devoted to their parents and fulfills filial duties. Often used in Confucian or traditional contexts.彼かれは親おや孝こう行こうな孝こう子しとして知しられている。He is known as a filial child who takes good care of his parents.