未老先衰

Explanation: Old is not big on the old. More than that due to mental or physical overload and lead to premature aging. 　　Usage: Complex sentence; for subject, predicate; with derogatory 　　Source: Qing Wang Wan "and the Senate Mr Sze book" Wan Yin worry (car sense) Ke, premature aging. " 　　Examples: Beijing singing old generals, should make all the false old man ~ spirit "ashamed of it! ★ Qin Mu" not old " 　　Results: Mother's womb a long beard 　　Postscript: Mother's womb a long beard Thesaurus:  a green old age, Wangqiuxianling, Zhuangxinbuyi