以毒攻毒

yǐdúgōngdú
  1. to cure ills with poison (TCM)
  2. to fight evil with evil
  3. set a thief to catch a thief
  4. to fight fire with fire

CEDICT

tcm

Entry Composition

=1 以 yǐ old variant of 以 yǐ
=1 以 yǐ old variant of 以 yǐ
=1 以 yǐ
  1. to use
  2. by means of
  3. according to
  4. in order to
  5. because of
  6. at (a certain date or place)
2 毒 dú
  1. poison
  2. to poison
  3. poisonous
  4. malicious
  5. cruel
  6. fierce
  7. narcotics
3 攻 gōng
  1. to attack
  2. to accuse
  3. to study
  4. (LGBT) top
4 毒 dú
  1. poison
  2. to poison
  3. poisonous
  4. malicious
  5. cruel
  6. fierce
  7. narcotics