frus·tra·tion /(ˌ)frəsˈtreʃən/
  打破,挫折,頓挫
  frus·tra·tion /(ˌ)frəsˈtreʃən/ 名詞
  挫折,失意
  Frus·tra·tion n.  The act of frustrating; disappointment; defeat; as, the frustration of one's designs.
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  frustration
       n 1: the feeling that accompanies an experience of being thwarted
            in attaining your goals [syn: defeat]
       2: an act of hindering someone's plans or efforts [syn: thwarting,
           foiling]
       3: a feeling of annoyance at being hindered or criticized; "her
          constant complaints were the main source of his
          frustration"