狗咬吕洞宾

Explanation: Lu Tung-pin: one of the legendary Eight Immortals. Lu Tung-pin so the dog met good people to do good bite, used to curse Bushihaodai. 　　Source: Qing Cao Xueqin's "Dream of Red Mansions" at 25, back: "heartless, dog bites Lu Tung-pin and did not know good people." 　　Examples: You are ~, the people's good intentions when the donkey hepatopulmonary.