衰老 Save Sign in to save words On the HSK 7-9 vocabulary list, at CEFR level C2. shuāilǎo ㄕㄨㄞ ㄌㄠˇ to age to deteriorate with age old and weak Character by character 衰(shuāi)decay 老(lǎo)prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT