an·nounce /əˈnaʊn(t)s/
  (vt.)宣布,顯示,預告(vi.)當報幕員,宣布參加競選
  An·nounce v. t. [imp. & p. p. Announced p. pr. & vb. n. Announcing ]
  1. To give public notice, or first notice of; to make known; to publish; to proclaim.
     Her [Q. Elizabeth's] arrival was announced through the country by a peal of cannon from the ramparts.   --Gilpin.
  2. To pronounce; to declare by judicial sentence.
  Publish laws, announce
  Or life or death.   --Prior.
  Syn: -- To proclaim; publish; make known; herald; declare; promulgate.
  Usage: -- To Publish, Announce, Proclaim, Promulgate. We publish what we give openly to the world, either by oral communication or by means of the press; as, to publish abroad the faults of our neighbors. We announce what we declare by anticipation, or make known for the first time; as, to announce the speedy publication of a book; to announce the approach or arrival of a distinguished personage. We proclaim anything to which we give the widest publicity; as, to proclaim the news of victory.  We promulgate when we proclaim more widely what has before been known by some; as, to promulgate the gospel.
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  announce
       v 1: make known; make an announcement; "She denoted her feelings
            clearly" [syn: denote]
       2: announce publicly or officially; "The President declared
          war" [syn: declare]
       3: give the names of; "He announced the winners of the spelling
          bee"
       4: foreshadow or presage [syn: annunciate, harbinger, foretell,
           herald]