DICT.TW Dictionary Taiwan

 scummy
 (a.)滿是浮渣的,浮渣一般的,下流的

 Scum·my a. Covered with scum; of the nature of scum.
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 scummy
      adj 1: of the most contemptible kind; "abject cowardice"; "a low
             stunt to pull"; "a low-down sneak"; "his miserable
             treatment of his family"; "You miserable skunk!"; "a
             scummy rabble"; "a scurvy trick" [syn: abject, low,
              low-down, miserable, scurvy]
      2: covered with scum; "the scummy surface of the polluted pond"