mil·len·ni·um /məˈlɛniəm/
 太平盛世,一千年
 Mil·len·ni·um n.
 1. A period of one thousand years.
 2. Specifically: The period of a thousand years mentioned in the twentieth chapter of Revelation, during which holiness is to be triumphant throughout the world.  Some believe that, during this period, Christ will reign on earth in person with his saints.
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 millennium
      n 1: a span of 1000 years
      2: (New Testament) in Revelations it is foretold that those
         faithful to Jesus will reign with Jesus over the earth for
         a thousand years; the meaning of these words have been
         much debated; some denominations (e.g. Jehovah's
         Witnesses) expect it to be a thousand years of justice and
         peace and happiness
      3: the 1000th anniversary (or the celebration of it)
      [also: millennia (pl)]
 Millennium
    a thousand years; the name given to the era mentioned in Rev.
    20:1-7. Some maintain that Christ will personally appear on
    earth for the purpose of establishing his kingdom at the
    beginning of this millennium. Those holding this view are
    usually called "millenarians." On the other hand, it is
    maintained, more in accordance with the teaching of Scripture,
    we think, that Christ's second advent will not be premillennial,
    and that the right conception of the prospects and destiny of
    his kingdom is that which is taught, e.g., in the parables of
    the leaven and the mustard-seed. The triumph of the gospel, it
    is held, must be looked for by the wider and more efficient
    operation of the very forces that are now at work in extending
    the gospel; and that Christ will only come again at the close of
    this dispensation to judge the world at the "last day." The
    millennium will thus precede his coming.