to use the same tactics as one’s opponent
以其人之道还治其人之身 (yi qiren zhi dao huanzhi qiren zhi shen)
"When negotiations failed, they decided to fight fire with fire."
"当谈判失败时，他们决定以其人之道还治其人之身。" (dang tanpan shibai shi, tamen jueding yi qiren zhi dao huanzhi qiren zhi shen)
to have the opposite result of what was intended
to return to the right path or plan
to be in control of a situation
to be tough in making a deal or negotiation
to be responsible for something yourself
to perform well or meet expectations
