steeds and oxen kept in the same stable—good people and bad ones stay together; make no distinction between the wise and the foolish
❍ 他发现监狱里挤满了人，好坏混杂，～。He found that the prison was rather crowded and good people stayed together with the bad.
牛骥同皂niu ji tong zao
keep oxen and thoroughbred horses in the same stable—the good and the bad,the wise and the stupid,are intermingled
牛骥同皂niú jì tónɡ zào
骥：千里马；皂：马槽。牛跟千里马同槽。比喻良劣贤愚混杂一起。make no distinction between the wise and the foolish, good people and bad one’s stay together