雀角鼠牙

Explanation: Birds, rats: those who rape analogy. Originally referred to the women forced to marry caused by litigation. Refers to the prison after the defendant, arguing. 　　Source: "Book of Songs, called southbound exposed": "Who is that bird is no angle, how to wear my house? ... ... Who is that mice with no teeth, how to wear my Yong?" 　　Examples: To harm the safety and docile horse, obliterate - the blood in sacrifice, must swallow the tiger wolf bite the end, do not panic do not interfere, the people have a wide course, the best in soil fertility. (Qing Wei Xiuren "Huayue Hen" Fifty-back)