1.   He closed the door behind him, sniffing the air with distaste.

2.   He got out of the car with a groan and rubbed his back, then sniffed the air.

3.   I said, sniffing the food intently, sniffing the air like an alert rodent.

4.   It is the portrait of a caged animal sniffing the air in search of a scent of meaning in life.

5.   She sniffed the air and ignored him.

6.   She stalked, stiff-legged like a wolf, into the darkling garden and like a wolf she sniffed the air.

7.   Then he sat back on his haunches and sniffed the air, holding his paws in the air for quiet.

8.   Suddenly, he stopped and sniffed the air.

9.   The female Daurog sniffed the air then whispered words.

10.   The Campbell stepped from the car and sniffed the air.