佛头加秽

Explanation: Metaphor of the bad things on top of a good thing, to defile the good things. 　　Source: Original Song, Buddhism, Taoism, "Jing Chuan Deng recorded" VII Cui Xiang Gong Rusi, see bird droppings on the Buddha put his head, is asked master said 'there is Buddha nature and no birds? 'The master said' Yes. 'Cui said,' Why put manure Buddhas head? 'The master said' Why do not the kite is the head of Iraq put? '" 　　Examples: I book the writing slips daily, shortage in the ink, dare ~. (Ching Lee Green Park "Qiludeng" Seventy back) Thesaurus:  s head with the fecal, s head with the fecal, add a dog's tail to the sable coat