“挂羊头卖狗肉”成语是很古老的。《晏子春秋》有语:“君使服之于内,而禁之于外,犹悬牛首于门,而卖马脯于内也。”这里的成语是“挂牛头卖马肉”。清代一弹师塔铭中有“悬羊头卖狗肉,看破不值分文”一语。用这些成语讥讽名实不符和言行不一,由于很形象,着实令人解气。不过如果要对这一成语作一番戏解,似乎有悖于时下的市场价格规律。狗肉向来被视为餐桌上的美味珍馐,无 “Hanging head and sell dog ” idiom is very old. “Yan Zi Chun Qiu” language: “The monarch served in, but the ban on the outside, still hanging cattle at the door, but also selling the preserved inside. ” The idiom here is “. In the Ming Dynasty, there was a Ming dynasty in the tower Ming Ming ”" Using these idioms ridiculed nameless inconsistencies and words and deeds, because of the image, really annoying. However, if you want to make some explanation of this idiom, it seems contrary to the current law of the market price. Dog meat has always been regarded as delicious delicacy on the table, no