deep, good, long
little, slight, small
loud

give
She gave a loud sniff of disapproval.

hear
get, have, take
to get a sniff of fresh air

between sniffs
‘I'm sorry,’ he said between sniffs.

with a sniff
‘I'm fine,’ she said with a sniff.

sniff at
The dog had a good sniff at the bushes.

loudly
She wiped her eyes and sniffed loudly.

deeply
a little
carefully, delicately
appreciatively
He sniffed appreciatively. ‘Smells delicious. What is it?’

disdainfully, haughtily
suspiciously
back
The woman sniffed back her tears.

at
The dog sniffed at his shoes.

Sniff is used with these nouns as the subject:
dog

Sniff is used with these nouns as the object:
air, cocaine, coke, glue, solvent