Significados de nasty smiles em inglês

He saw me, gave me one of his nasty smiles.'

Both did their best to appear bored and ambivalent as they bit back nasty smiles.

Ten of them, big and bulky swords for hire in scrappy chain mail and battered leather armor, with scarred faces and nasty smiles.

All traces of gaiety had vanished, and their faces were now either expressionless, twisted into grimaces of hate or smiling very nasty smiles.