flare-up /-ˌʌp/
  火焰,光等的驟發,驟燃
  flare-up /-ˌəp/ 名詞
  突然發作,疾病加劇
  Flare-up n.
  1. A sudden burst of anger or passion; an angry dispute. [Colloq.]
  2. A sudden bursting into flame; a flaring.
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  flare-up
       n : a sudden violent happening; "an outburst of heavy rain"; "a
           burst of lightning" [syn: outburst, burst]