ex·ac·er·bate /ɪgˈzæsɚ/
  (vt.)惡化,增劇,激怒,使加劇
  ex·ac·er·bate /ɪgˈzæsɝˌbet/ 及物動詞
  加重,轉劇
  Ex·ac·er·bate v. t. [imp. & p. p. Exacerbated p. pr. & vb. n. Exacerbating ]  To render more violent or bitter; to irritate; to exasperate; to imbitter, as passions or disease.
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  exacerbate
       v 1: make worse; "This drug aggravates the pain" [syn: worsen,
            aggravate, exasperate] [ant: better]
       2: exasperate or irritate [syn: exasperate, aggravate]