dis·col·or /(ˌ)dɪsˈkʌlɚ/
 (v.)使變色;弄.變色;汙染


 Dis·col·or v. t. [imp. & p. p. Discolored p. pr. & vb. n. Discoloring.]  [Written also discolour.]
 1. To alter the natural hue or color of; to change to a different color; to stain; to tinge; as, a drop of wine will discolor water; silver is discolored by sea water.
 2. To alter the true complexion or appearance of; to put a false hue upon.
    To discolor all your ideas.   --Watts.

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 discolor
      v 1: lose color or turn colorless; "The painting discolored"
           [ant: color]
      2: cause to lose or change color; "The detergent discolored my
         shirts"
      3: change color, often in an undesired manner; "The shirts
         discolored" [syn: discolour, colour, color]