The perfection of her white skin was spoilt and she sniffed once or twice in a too human way.
He sniffed once, then went to work on the meat.
He looked at the world on the viewscreen and sniffed once.
She sniffed once, and felt better for it.
She passed the bottle to Justin, who sniffed once and lay back.
Marie sniffed once or twice but held it together.
Simon sniffed once, then set his empty glass aside.
Her breathing skipped, she sniffed once, twice and settled down.
He moved around his desk, put down his papers, and sniffed once.
He drooped his eyes to the dirt and sniffed once, faking.