im·pa·tience /(ˌ)ɪmˈpeʃən(t)s/
 性急,難耐,焦急,急躁,渴望
 Im·pa·tience n.  The quality of being impatient; lack of endurance of pain, suffering, opposition, or delay; eagerness for change, or for something expected; restlessness; chafing of spirit; fretfulness; passion; as, the impatience of a child or an invalid.
 I then, . . .
 Out of my grief and my impatience,
 Answered neglectingly.   --Shak.
 With huge impatience he inly swelt
 More for great sorrow that he could not pass,
 Than for the burning torment which he felt.   --Spenser.
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 impatience
      n 1: a lack of patience; irritation with anything that causes
           delay [syn: restlessness]
      2: a restless desire for change and excitement
      3: a dislike of anything that causes delay [ant: patience]