He'd just have to breathe through his mouth for a while.

I told him to breathe through his mouth, but that wasn't much of a help.

I hope she died fast, he thought, breathing through his mouth against the smell.

He looked at me in silence and breathed heavily through his mouth.

It was a lot easier to breathe through his mouth.

Chance tried breathing through his mouth, but it didn't help.

He was breathing through his mouth as if he'd run a race and lost.

She stared at nothing, breathing heavily through her open mouth.

He made himself slow down to a walk and breathe through his mouth at a regular pace.

Of course, even breathing through my mouth, I could still taste it.