English Dictionary

sniff out

verb

(transitive) To find (something) by using the sense of smell. / (transitive, figuratively, by extension) To detect (something hidden or invisible).

The dog can sniff out drugs.

意味（1）

(transitive) To find (something) by using the sense of smell.

Because they have far more powerful noses than humans, dogs are ideal to sniff out drugs.

意味（2）

(transitive, figuratively, by extension) To detect (something hidden or invisible).