To counter poison with poison; literally using a toxic agent to neutralize poison. Figuratively, it means fighting evil with evil or using a similar harmful means to counteract harm.
一部の治療法では、以毒制毒の考え方を応用して毒素を中和する薬を投与する。
Some treatments apply the idea of countering poison with poison by administering drugs that neutralize toxins.
問題解決のために以毒制毒の方針を取ると、別の問題を生むこともある。
Adopting a 'fight evil with evil' approach to solve a problem can sometimes create other problems.
敵の嫌がらせに対し、以毒制毒で同じ手段を使ったが事態は悪化した。
In response to the opponent's harassment, we used the same tactics to fight fire with fire, but the situation worsened.