一邱之貉

Explanation: Qiu, with the Hill. "Metaphor is a rascal with each other, there is no difference. With the same ilk." Thesaurus:  act in cahoots, act in collusion with, meeting of dirty minds, of the same batch, associate with an evil person, 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 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