to use the same tactics as one’s opponent
использовать те же тактики, что и противник (ispolzovat te zhe taktiki chto i protivnik)
"When negotiations failed, they decided to fight fire with fire."
"Когда переговоры провалились, они решили бороться огнём против огня." (kogda peregovory provalilis, oni reshili borotsya ognem protiv ognya)
to slow down or stop something
a clever or innovative idea
to take revenge on someone for something they did
to aim for something very ambitious or difficult to achieve
to take control or responsibility
the secret is revealed