どく
毒
　
を
もっ
以
　
て
どく
毒
　
を
せい
制
　
す

expression

Idiomatic expression.
  1. fight fire with fire, set a thief to catch a thief, fight one evil with another.

Variations

Pronunciation Kanji Kana Is Common
どく
毒
　
を
もっ
以
　
て
どく
毒
　
を
せい
制
　
す
 毒を以て毒を制す どくをもってどくをせいす

Contained Kanji Breakdown

poison, virus, venom
ドク (4th, N2)
life (生) variant
do not, must not, be not
ブ　ム　はは (Kentei 1)
by means of, because, in view of
イ　もっ.て　もち (4th, N4)
hook stroke
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
person
ひと　ニン　ジン (1st, N5)
system, law, rule
セイ (5th, N3)
cow
うし　ギュウ　ご (2nd, N4)
katakana no radical (no. 4)
ヘツ　えい　よう (Kentei 1)
dry, parch, ebb
ひ.る　カン　ほ.す (6th, N2)
towel, hanging scroll, width
キン　フク　おお.い (11th)
knife, standing sword radical (no. 18)
トウ