同流合污

Explanation: Flow: Liu Su; pollution: dirty. Means together with the bad people do bad things. 　　Usage: Joint type; as predicate, object; containing derogatory 　　Source: Warring States Zou Meng Ke, "Mencius dedication down": "with almost the prevalent custom, in line with dirty world." 　　Examples: The number of thieves who, ~, corrupt state government. (Qing Chen Chen, "Water Margin after the transfer," the twenty-second back) 　　Results: Toilet poured into a drainage ditch; ditch hand gutter 　　Postscript: Toilet poured into a drainage ditch; ditch hand gutter 　　Riddle: Loss; sewer of dirty water Thesaurus:  act in cahoots, act in collusion with, meeting of dirty minds, of the same batch, People with same ideals have affinity for one another, birds of a feather flock together, A bark-shaped, 100 bark, sing the same tune, Materials by groups, Materials by groups, Yiqiuzhihao Antonym Group:  (to fight) to the bitter end, Shengyingqiqiu, information agree with each othor, Birds of the same feather flock together, information communicate, The ratio between the diameter and the circumference is roughly 1:3 according to an ancient Chinese calculation, in the same camp, click, congeniality, Square tenon gouge, ajar, cut from the same cloth, Shui Huoburong, be neither friendly nor aloof, Vow two parties exist at the same time, disagreeable, Language is not speculate