He hasn't eaten in two days and he is showing signs of having a very very hard time breathing. (wagwalking.com)
Some breeds of dogs — like boxers, pugs, shih tzus, and other dogs and cats with short muzzles — will have a much harder time breathing in extreme heat. (humanesociety.org)
But you know by — I could tell by the way he was breathing, he was having a very hard time breathing, laboring and I was just trying to talk to him a little bit.» (sbnation.com)