fight fire with fire
US /faɪt ˈfaɪər wɪð ˈfaɪər/
UK /faɪt ˈfaɪər wɪð ˈfaɪər/
1.
combatir fuego con fuego, pagar con la misma moneda
to use the same methods as your opponent, even if they are unpleasant, in order to achieve a victory
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When they started spreading rumors, we decided to fight fire with fire and expose their lies.
Cuando empezaron a difundir rumores, decidimos combatir fuego con fuego y exponer sus mentiras.
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Some argue that to deal with cyberattacks, you sometimes have to fight fire with fire.
Algunos argumentan que para lidiar con los ciberataques, a veces hay que combatir fuego con fuego.