pest /ˈpɛst/
  瘟疫,鼠疫;害蟲,害人蟲(v.)煩擾,糾纏
  pest /ˈpɛst/ 名詞
  有害生物,害蟲,病蟲害,瘟疫,鼠疫
  Pest n.
  1. A fatal epidemic disease; a pestilence; specif., the plague.
     England's sufferings by that scourge, the pest.   --Cowper.
  2. Anything which resembles a pest; one who, or that which, is troublesome, noxious, mischievous, or destructive; a nuisance. “A pest and public enemy.”
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  pest
       n : a persistently annoying person [syn: blighter, cuss, pesterer,
            gadfly]