未成

minor (i.e. person under 18) / incomplete / unachieved / failed / abortive

surname Cheng

to succeed / to finish / to complete / to accomplish / to become / to turn into / to be all right / OK! / one tenth

not yet / did not / have not / not / 8th earthly branch: 1-3 p.m., 6th solar month (7th July-6th August), year of the Sheep / ancient Chinese compass point: 210°

underage

minor (i.e. person under 18)

minor (not an adult)

minor (old usage, person under 20)