threat /ˈθrɛt/
 威脅,恐嚇,造成威脅的事物
 Threat n.  The expression of an intention to inflict evil or injury on another; the declaration of an evil, loss, or pain to come; menace; threatening; denunciation.
    There is no terror, Cassius, in your threats.   --Shak.
 Threat, v. t. & i.  To threaten. [Obs. or Poetic]
    Of all his threating reck not a mite.   --Chaucer.
    Our dreaded admiral from far they threat.   --Dryden.
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 threat
      n 1: something that is a source of danger; "earthquakes are a
           constant threat in Japan" [syn: menace]
      2: a warning that something unpleasant is imminent; "they were
         under threat of arrest"
      3: declaration of an intention or a determination to inflict
         harm on another; "his threat to kill me was quite
         explicit"
      4: a person who inspires fear or dread; "he was the terror of
         the neighborhood" [syn: terror, scourge]