ped·ant /ˈpɛdṇt/
  炫學者,自誇學者的人,空談家
  Ped·ant n.
  1. A schoolmaster; a pedagogue. [Obs.]
     A pedant that keeps a school i'th' church.   --Shak.
  2. One who puts on an air of learning; one who makes a vain display of learning; a pretender to superior knowledge.
     A scholar, yet surely no pedant, was he.   --Goldsmith.
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  pedant
       n : a person who pays more attention to formal rules and book
           learning than they merit [syn: bookworm, scholastic]