To sniff out something is to find it by following its smell. Sniff out the truffles, sniff out a story.
Dogs do it literally, and journalists and inspectors do it figuratively. To sniff out something means finding what was hidden rather than what was merely lost.
1phrasesniff outTo find something by following its smell.
“The dogs can sniff out a phone through a brick wall.”
sniff out is a phrase.
Practised in Texture & Touch