re·quire /rɪˈkwaɪr/
 (vt.)需要,要求(vi.)要求,命令
 Re·quire v. t. [imp. & p. p. Required p. pr. & vb. n. Requiring.]
 1. To demand; to insist upon having; to claim as by right and authority; to exact; as, to require the surrender of property.
 Shall I say to Caesar
 What you require of him?   --Shak.
    By nature did what was by law required.   --Dryden.
 2. To demand or exact as indispensable; to need.
    Just gave what life required, and gave no more.   --Goldsmith.
    The two last [biographies] require to be particularly noticed.   --J. A. Symonds.
 3. To ask as a favor; to request.
    I was ashamed to require of the king a band of soldiers and horsemen to help us against the enemy in the way.   --Ezra viii. 22.
 Syn: -- To claim; exact; enjoin; prescribe; direct; order; demand; need.
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 require
      v 1: require as useful, just, or proper; "It takes nerve to do
           what she did"; "success usually requires hard work";
           "This job asks a lot of patience and skill"; "This
           position demands a lot of personal sacrifice"; "This
           dinner calls for a spectacular dessert"; "This
           intervention does not postulates a patient's consent"
           [syn: necessitate, ask, postulate, need, take,
            involve, call for, demand] [ant: obviate]
      2: consider obligatory; request and expect; "We require our
         secretary to be on time"; "Aren't we asking too much of
         these children?"; "I expect my students to arrive in time
         for their lessons" [syn: ask, expect]
      3: make someone do something [syn: command, compel]
      4: have need of; "This piano wants the attention of a competent
         tuner" [syn: want, need]