" You're saying it wrong, " Harry heard Hermione snap. " It's Wing-gar-dium Levi-o-sa, make the 'gar' nice and long." " You do it, then, if you're so clever, " Ron snarled.
" Right—I'm off into town to pick up the dinner jackets for Dudley and me. And you, " he snarled at Harry. " You stay out of your aunt's way while she's cleaning."
Here and there savage dogs rushed upon him, but he bristled his neck-hair and snarled (for he was learning fast), and they let him go his way unmolested.