- 成年人 chéngniánrén adultan adult person; a person who has reached the legal age of majority
- 未成年人 wèichéngniánrén minora minor; a person under the legal age of adulthood
- 未成年 wèichéngnián underagenot yet of legal age or not yet fully grown; minor
- 成年期 chéngniánqī adulthood; womanhoodThe stage of life when a person is physically and mentally mature, typically starting around age 20 and including early, middle, and late adulthood stages; a period characterized by establishing a career and family life
- 成年累月 chéngniánlěiyuè year in year outYear after year and month after month; describes a very long period of time.
- 未成年者 wèichéngniánzhě minora person who is under the legal age of adulthood
- 成年者 chéngniánzhě adultan adult; a person who has reached legal age
- 成年礼 chéngniánlǐ coming-of-age ceremonyA ceremony marking a young person's transition into adulthood and full maturity; equivalent to the ancient [[冠礼|冠禮|guan4 li3]]