瑕瑜互见

Explanation: See through now "shows. Metaphor advantages and disadvantages of both. 　　Usage: The main predicate; as predicate, object, attribute; that an objective evaluation 　　Source: Qingping Buqing "outside Xia Jun crumbs" VII Yang Shen papers, mixed. " 　　Examples: Xia Yu, see each other, has its roots in history. ★ Xu Teli, "Xu Qian thirty direct examination," Poetry Thesaurus:  flaw in jade, Gold can't be pure and man can't be perfect., Gold can't be pure and man can't be perfect., Yu do not cover flaws, Yuburongxia