The air was comfortably cool but smelled unpleasant, vaguely sulfurous.
What actually causes a substance to smell unpleasant may be different from what one perceives.
Perhaps she thought he meant she smelled unpleasant to him.
The one who had grabbed me, a big, wild-looking man whose breath smelled unpleasant, shook me and demanded something: at least.
I've seen all I need, and the creature does smell unpleasant.
If a pile begins to smell unpleasant, carbon-containing dried leaves or straw should be added.
It was cold and smelled somehow unpleasant.
Diet - many types of food can cause your breath and sweat to smell unpleasant.
He no longer seemed drunk in the least, though he still looked and smelled thoroughly unpleasant.
Point out that a properly constructed and maintained worm box will not smell unpleasant.