Discovering that he was breathing very shallow, he chuckled to himself and tried to relax.

He was breathing fast and shallow.

She sat unmoving, breathing fast and shallow, trying to focus her mind.

He was damp and chilled, breathing shallow and weak.

But he had closed his eyes, breathing fast and shallow under the fever.

I had to breathe shallow and slow to save air.

Roxanne stood there breathing far too fast and far too shallow.

I stood there, breathing quick and shallow with fright, and hoping to God that nobody would answer.

He breathed shallow, expecting any deep breaths to burst his wound and set the blood flowing again.

Breathing quick and shallow because of heat, stench, and the low oxygen content of the air.