鷸蚌相爭，漁翁得利

詞語解釋

鷸蚌相爭,漁翁得利[ yù bàng xiāng zhēng，yú wēng dé lì ]

⒈  比喻雙方爭利、互不相讓，結(jié)果兩敗俱傷，反而使第三者得利。

英two dogs fight for a bone, and a third runs aways with it; Parties in a quarrel are both losers;