她穿着一件过时的长袍参加化妆舞会。

She wore an antique gown to the costume party.

有人组织化妆舞会，你就下血本去买很贵的服装；

Someone organises a fancy dress party: you fork out on an expensive costume.

志愿者为孩子提供化妆舞会的服装或是烹饪课借以取代严格的指导课程。

Stern guides have been replaced by volunteers offering fancy-dress outfits or cooking lessons to children.

关于本在化妆舞会上亲吻穿粉色金刚战袍的女孩，费利西蒂做了个大买卖。

Felicity makes a big deal about Ben kissing the Pink Ranger at the costume party.