等闲之辈

Explanation: Lightly: unusual, in general. Insignificant ordinary person 　　Usage: Partial official; as predicate; used in negative sentences 　　Source: Ming Luo, "Three Kingdoms": "There Deng Ai Wei, resourceful, non-Dengxianzhibei." 　　Examples: To know him look at his non-~. Thesaurus:  boorish and vulgar man, village peasant, Vegetation Yu Fu