on the scent

Nighttime pollution had a much more destructive effect on the scent's chemical makeup than daytime pollution.

Democrats whooped and hollered as they passed the bill, which would forbid traffic searches to be conducted based solely on the scent of marijuana.

Then the police find a human skeleton in the woodshed, and “The Dog of the North” takes on the scent of “A Rose for Emily.”

In my interview with her, she asked for permission to use the bathroom and, when complimented on the scent of her hand cream, tried very hard to give it to me.

Over the course of an hour, the dogs got on the scent of a female mountain lion and scared her into a tree.