能者多劳

Explanation: Competent people do things, too much exertion. 　　Usage: The main predicate; as predicate, object; for the praise of people 　　Source: Qin Zhuang, "Zhuang Zi": "clever and wise men who worry about labor, incompetent want nothing." 　　Examples: Guanting the elements, some of my colleagues met all compliment him "~." (Qing Li Baojia "Bureaucrats" fifty-seventh back) 　　Results: Zhuge Liang when the cooks; mouth Chuisuo Na Ta feet 　　Postscript: Zhuge Liang when the cooks; mouth Chuisuo Na Ta feet Thesaurus:  play an indispensable role, mainstay; chief cornerstone, Hai Jin Liang frame