warn·ing /ˈwɔrnɪŋ/
  警告,告誡,訓誡,警戒,警報
  warning
  警告; 警告式; 報警; 告警; 警報	WNG
  warning
  警告
  Warn, v. t. [imp. & p. p. Warned p. pr. & vb. n. Warning.]
  1. To make ware or aware; to give previous information to; to give notice to; to notify; to admonish; hence, to notify or summon by authority; as, to warn a town meeting; to warn a tenant to quit a house. “Warned of the ensuing fight.”
     Cornelius the centurion . . . was warned from God by an holy angel to send for thee.   --Acts x. 22.
     Who is it that hath warned us to the walls?   --Shak.
  2. To give notice to, of approaching or probable danger or evil; to caution against anything that may prove injurious.  “Juturna warns the Daunian chief of Lausus' danger, urging swift relief.”
  3. To ward off.  [Obs.]
  ◄ ►
  Warn·ing, a. Giving previous notice; cautioning; admonishing; as, a warning voice.
     That warning timepiece never ceased.   --Longfellow.
  Warning piece, Warning wheel Horol., a piece or wheel which produces a sound shortly before the clock strikes.
  Warn·ing, n.
  1. Previous notice.  “At a month's warning.”
     A great journey to take upon so short a warning.   --L'Estrange.
  2. Caution against danger, or against faults or evil practices which incur danger; admonition; monition.
     Could warning make the world more just or wise.   --Dryden.
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  warning
       adj : serving to warn; "shook a monitory finger at him"; "an
             exemplary jail sentence" [syn: admonitory, cautionary,
              exemplary, monitory, warning(a)]
       n 1: a message informing of danger
       2: cautionary advice about something imminent (especially
          imminent danger) [syn: admonition, monition, word of
          advice]