老成 lǎochéng mature Origin Definitions Defs Strokes Stroke Words Sentences Sents lǎochéng mature · veteran · accomplished 老 lǎo nounadjective experienced experienced; skilled; having long practice in a field成 chéng nounadjective mature (bound form) fully developed; grown; maturelǎochéng venerable elder 老 lǎo adjective old old; aged; (of people) venerable成 chéng nounadjective mature (bound form) fully developed; grown; mature