Meanings
Either from the practice of starting back fires to prevent the uncontrolled spread of wildfires, or from gunfire which is fought by firing back at the enemy.
How to pronounce "fight fire with fire":
AU
To respond to an attack with a similar or identical counter-attack (e.g. to respond to gunfire with reciprocal gunfire).
Example Sentences
1
When the rival team started cheating, our coach told us to fight fire with fire and play more aggressively.
2
Instead of trying to reason with the bully, my friend decided to fight fire with fire and started teasing him back.
3
The company decided to fight fire with fire and launched a new marketing campaign in response to their competitor's aggressive advertising.
4
Since gossip was spreading about her, she decided to fight fire with fire and started spreading rumors about her accusers.
5
When my colleague started taking credit for my work, I decided to fight fire with fire and began highlighting his mistakes to our boss.