agree like cats and dogs
... agree like cats and dogs 水火不相容 agree like pickpockets in a fair 水火不相容 agree on对...达成协议; 对...取得一致意见 ...
oil and vinegar
水火不兼容,容:容纳。比喻二者对立,绝不兼容。出自《周易·说卦》:“故水火不相逮。”