寝苫枕块

qin3 shan1 zhen3 kuai4

bed of straw and pillow of clay (idiom); the correct etiquette for filial son during Confucian mourning period

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寢苫枕塊|寝苫枕块 [qǐn shān zhěn kuài] ► bed of straw and pillow of clay (idiom); the correct etiquette for filial son during Confucian mourning period