sniff out

باللغة العربية: يَشُمّ، يَكْتَشِف، عَثَر عَلَى

1. To find (something) by using the sense of smell. (transitive) · Because they have far more powerful noses than humans, dogs are ideal to sniff out drugs.
2. To detect (something hidden or invisible). (figuratively, transitive) · Near-synonyms: ferret out, weasel out