Sparrow, the small wild bird, once denounced one of the Chinese four pests, the general title of the family Passeridae, with ashed apperance dreaming of fantasy nirvana.

• 麻雀，曾为四害，鸟纲雀形目文鸟科麻雀属鸟类的统称，灰头土脸幻想涅槃。