A little mustard is served on the side to add further piquancy.旁边还配着一点芥末, 就着吃会更加开胃。

Piquancy was added to the situation because Dr Porter was then on the point of marrying Hugh Miller.当时的情形因正赶上波特博士要和休•米勒结婚, 便又更加令人激动。