“孝子”在今天的语义中是指孝顺的孩子,除此之外再无别的意思。但是这个词最古老的语义却不是这样,是孔子把“孝”的内涵扩大了。《礼记》这样定义“孝”:“祭称孝子、孝孙,丧称哀子、哀孙。”父亲或母亲刚去世的时候,非常哀痛,哭得上气不接下气,称作“哀子”;过了一段时间,哀痛慢慢减轻了,停止了哭泣,这时再祭奠去世的父亲或母亲, “Filial Son ” means filial child in today’s semantics, but there is no other meaning beyond that. However, the oldest semantic meaning of the word is not the same, as Confucius expanded the connotation of “filial piety.” “Book of Rites” is defined as “filial piety”: “The sacrificial offerings are filial piety, filial piety, mourning, and mourning sun.” “When my father or mother just died, I was very sad and cry out of breath, Called ”sad"; after a period of time, sorrow slowly lightened, stopped crying, and then pay tribute to the death of the father or mother,