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"