牛骥共牢

Explanation: Ji: good horse. Cattle with the horses with the slot. Bad analogy coexistence between man and sage. 　　Source: "Zai Jin Shu Chuan": "Its nothing to do also, the cattle were firmly Ji, Qi Li Dun column, without the long-coated leather for decision of the rhinoceros, the left eye of Zhu and Gu Zhe to say the same." Thesaurus:  mud and sand are carried along— there is a mingling of good and bad, Niujitongzao, Niu Ji with the groove