臭味相投

chòuwèixiāngtóu
  1. to share vile habits
  2. partners in notoriety
  3. birds of a feather

CEDICT

  1. (derogatory, of bad people) to share common bad interests and tastes and get along
  2. to share common bad interests and tastes and get along
  3. to share common interests and aspirations and get along

Wiktionary

讥讽兴趣性情相合

重編國語辭典

Entry Composition