以毒攻毒

Mandarin · pinyin yǐ dú gōng dú

Meanings

  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
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Characters in this entry

以
yǐ · by means of; thereby, therefore; consider as; in order to
毒
dú · poison, venom; poisonous
攻
gōng · attack, assault; criticize
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

3–2–1–2 · yi3 du2 gong1 du2

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Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

phrase

  1. (idiomatic) to fight fire with fire

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack

以毒攻毒 · yi3 du2 gong1 du2
CC-CEDICT contributors and MDBG · edition 2026-10-13 · source line 6,509
Original dictionary · CC BY-SA 4.0 · Source & transformation details
Exact source record以毒攻毒 以毒攻毒 [yi3 du2 gong1 du2] /to cure ills with poison (TCM)/to fight evil with evil/set a thief to catch a thief/to fight fire with fire/