hastiness
  火急,輕率,性急
  Has·ti·ness, n. The quality or state of being hasty; haste; precipitation; rashness; quickness of temper.
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  hastiness
       n 1: overly eager speed (and possible carelessness); "he soon
            regretted his haste" [syn: haste, hurry, hurriedness,
             precipitation]
       2: hasty impulsiveness