"Excuse me," Narcissa Malfoy said, and her voice dripped with such withering contempt that Hermione's eyes widened. She'd been on the receiving end of a fraction of that aristocratic condescension, but now that she saw the full force Narcissa could bring to bear, she understood how this woman had lied to Voldemort.  How the man at her side didn't shrink away into nothing, ashamed to have bothered them, she didn't understand.  He held his ground, however.