同流合污

tóngliúhéwū
to wallow in the mire with sb (idiom); to follow the bad example of others

CEDICT

to commit evil deeds together with the contemptible and evil people

Wiktionary

Entry Composition

1 同 tóng
  1. like
  2. same
  3. similar
  4. together
  5. alike
  6. with
2 流 liú
  1. to flow
  2. to disseminate
  3. to circulate or spread
  4. to move or drift
  5. to degenerate
  6. to banish or send into exile
  7. stream of water or sth resembling one
  8. class, rate or grade
=3 合 hé
  1. to close
  2. to join
  3. to fit
  4. to be equal to
  5. whole
  6. together
  7. round (in battle)
  8. conjunction (astronomy)
  9. 1st note of pentatonic scale
  10. old variant of 盒 hé
=3 合 hé variant of 合 hé
=4 污 wū variant of 污 wū
=4 污 wū variant of 污 wū
=4 污 wū
  1. dirty
  2. filthy
  3. foul
  4. corrupt
  5. to smear
  6. to defile
  7. dirt
  8. filth