狗猪不食其余

Explanation: Food: eat. Dogs do not eat pork the rest of his things. Describe the person's conduct is extremely dirty dirty. 　　Source: Han Ban Gu, "after the Han Yuan Chuan": "sent by the people alone, by convenience, the seizure of their country, no longer Guen Yi. People so those pigs do not eat the rest of the dog." Thesaurus:  lewd the others, lewd, Rat dog Ru-I do not eat, Lewd Ruyu