In this lesson, we take a look at the following 7 idioms that use expressions related to war: fight fire with fire, call the shots, jump the gun, a shot in the dark, stick to one's guns, a loose cannon, and a double-edged sword. Visit www.mapleleafesl.com for more free English lessons, and be sure to go like the Maple Leaf ESL page on Facebook and check out the instagram account at www.instagram.com/mapleleafesl/.