mud·dy /ˈmʌdi/
  (a.)泥濘的,污的,骯髒的(vt.)使汙濁,使沾上泥汙
  Mud·dy, v. t. [imp. & p. p. Muddied p. pr. & vb. n. Muddying ]
  1. To soil with mud; to dirty; to render turbid.
  2. (Fig.): To cloud; to make dull or heavy; to confuse.
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  Mud·dy a. [Compar. Muddier superl. Muddiest.]
  1. Abounding in mud; besmeared or dashed with mud; as, a muddy road or path; muddy boots.
  2. Turbid with mud; as, muddy water.
  3. Consisting of mud or earth; gross; impure.
     This muddy vesture of decay.   --Shak.
  4. Confused, as if turbid with mud; cloudy in mind; dull; stupid; also, immethodical; incoherent; vague.
     Cold hearts and muddy understandings.   --Burke.
     Dost think I am so muddy, so unsettled.   --Shak.
  5. Not clear or bright.
  muddy
       adj 1: (of soil) soft and watery; "the ground was boggy under
              foot"; "a marshy coastline"; "miry roads"; "wet mucky
              lowland"; "muddy barnyard"; "quaggy terrain"; "the
              sloughy edge of the pond"; "swampy bayous" [syn: boggy,
               marshy, miry, mucky, quaggy, sloughy, swampy]
       2: dirty and messy; covered with mud or muck; "muddy boots"; "a
          mucky stable" [syn: mucky]
       3: (of color) discolored by impurities; not bright and clear;
          "dirty" is often used in combination; "a dirty (or dingy)
          white"; "the muddied gray of the sea"; "muddy colors";
          "dirty-green walls"; "dirty-blonde hair" [syn: dirty, dingy,
           muddied]
       4: (of especially liquids) clouded as with sediment; "a cloudy
          liquid"; "muddy coffee"; "murky waters" [syn: cloudy, mirky,
           murky, turbid]
       v 1: dirty with mud [syn: muddy up]
       2: cause to become muddy; "These data would have muddied the
          prediction"
       3: make turbid; "muddy the water"
       [also: muddied, muddiest, muddier]