os·ten·ta·tion /ˌɑstənˈteʃən/
  虛飾,虛有其表,賣弄
  Os·ten·ta·tion n.
  1. The act of ostentating or of making an ambitious display; unnecessary show; pretentious parade; -- usually in a detractive sense. “Much ostentation vain of fleshly arm.”
     He knew that good and bountiful minds were sometimes inclined to ostentation.   --Atterbury.
  2. A show or spectacle. [Obs.]
  Syn: -- Parade; pageantry; show; pomp; pompousness; vaunting; boasting. See Parade.
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  ostentation
       n 1: a showy outward display [syn: fanfare]
       2: lack of elegance as a consequence of being pompous and
          puffed up with vanity [syn: ostentatiousness, pomposity,
           pompousness, pretentiousness, splashiness, inflation]
       3: pretentious or showy or vulgar display