exacerbation
  惡化,增劇,激怒
  ex·ac·er·ba·tion /-ˌzæsɝˈbeʃən/ 名詞
  加重,轉劇,惡化
  Ex·ac·er·ba·tion n.
  1. The act of rendering more violent or bitter; the state of being exacerbated or intensified in violence or malignity; as, exacerbation of passion.
  2. Med. A periodical increase of violence in a disease, as in remittent or continuous fever; an increased energy of diseased and painful action.
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  exacerbation
       n 1: action that makes a problem or a disease (or its symptoms)
            worse; "the aggravation of her condition resulted from
            lack of care" [syn: aggravation]
       2: violent and bitter exasperation; "his foolishness was
          followed by an exacerbation of their quarrel"