老成练达lǎo chéng liàn dá一般成语 基本例句 experienced and worldly; wise; know all the moves on the board; experienced and versed in one's work繁体老成練達近义老成炼达反义冒冒失失他知道他老成练达，并应能处理有关案件。 He knows his way about and should be able to handle the case. goi-net.com 总是练习着彬彬有礼且老成练达。 Exercise courtesy and tact at all times. dict