sniff at something

He sniffed at the food and raised his head to give me a long look.

So, I turned my back, and sniffed at a rose.

He sniffed at each, shook his head and put them back.

He went back to the body and again sniffed at the man's lips.

He had picked something up and was sniffing at it.

Then he picked up his glass and sniffed at it.

"You should have seen him sniffing at the papers to see which to take!"

Then two of them bent down and sniffed at the ground.

You might sniff at it, but it's a real feeling.

A recently separated friend sniffed at the idea of a whole 600 words on the subject.