Long live (the king, the revolution etc)!; Your Majesty; His Majesty

how old are you? (familiar, or to a child)

(idiom) to live to be a hundred years old (often used as a blessing or wish for longevity)

one's age, according to the traditional Chinese method of reckoning (i.e. the number of Chinese calendar years in which one has lived) – In this system, a person's age at birth is one, and increases by one at the beginning of the first solar term 立春[Li4 chun1] each year, rather than on one's birthday.; contrasted with 實歲|实岁[shi2 sui4]

(literary) this year