Nantoka/未成年wèi chéng nián未成年 (wèi chéng nián) is a Chinese word meaning “underage”.Meanings1underageCharacters in 未成年未wèi · not yet成chéng · to succeed年nián · yearRelated words年year年grain年surname Nian成to succeed成surname Cheng成为to become; to turn into成功to succeed成功Chenggong or Chengkung town in Taitung County 臺東縣|台东县[Tai2 dong1 Xian4], southeast Taiwan变成to change into完成to complete; to accomplish年轻young未来futureStudy Chinese with flashcards →