cheap·en /ˈʧipən/
  (vt.)(vi.)減價,跌價
  Cheap·en v. t. [imp. & p. p. Cheapened p. pr. & vb. n. Cheapening.]
  1. To ask the price of; to bid, bargain, or chaffer for. [Obsoles.]
     Pretend to cheapen goods, but nothing buy.   --Swift.
  2.  To beat down the price of; to lessen the value of; to depreciate.
     My proffered love has cheapened me.   --Dryden.
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  cheapen
       v : lower the grade of something; reduce its worth [syn: degrade]