muddiness
  泥汙;泥濘;混濁狀態
  Mud·di·ness, n.
  1. The condition or quality of being muddy; turbidness; foulness caused by mud, dirt, or sediment; as, the muddiness of a stream.
  2. Obscurity or confusion, as in treatment of a subject; intellectual dullness.
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  muddiness
       n : the quality of being cloudy [syn: cloudiness, murkiness]