sus·tain /səˈsten/
  (vt.)承受,支援,支撐,供養,繼續,忍受,蒙受,證實,准許
  Sus·tain n. One who, or that which, upholds or sustains; a sustainer. [Obs.]
     I waked again, for my sustain was the Lord.   --Milton.
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  Sus·tain v. t. [imp. & p. p. Sustained p. pr. & vb. n. Sustaining.]
  1. To keep from falling; to bear; to uphold; to support; as, a foundation sustains the superstructure; a beast sustains a load; a rope sustains a weight.
     Every pillar the temple to sustain.   --Chaucer.
  2. Hence, to keep from sinking, as in despondence, or the like; to support.
     No comfortable expectations of another life to sustain him under the evils in this world.   --Tillotson.
  3. To maintain; to keep alive; to support; to subsist; to nourish; as, provisions to sustain an army.
  4. To aid, comfort, or relieve; to vindicate.
     His sons, who seek the tyrant to sustain.   --Dryden.
  5. To endure without failing or yielding; to bear up under; as, to sustain defeat and disappointment.
  6. To suffer; to bear; to undergo.
     Shall Turnus, then, such endless toil sustain?   --Dryden.
     You shall sustain more new disgraces.   --Shak.
  7. To allow the prosecution of; to admit as valid; to sanction; to continue; not to dismiss or abate; as, the court sustained the action or suit.
  8. To prove; to establish by evidence; to corroborate or confirm; to be conclusive of; as, to sustain a charge, an accusation, or a proposition.
  Syn: -- To support; uphold; subsist; assist; relieve; suffer; undergo.
  sustain
       v 1: lengthen or extend in duration or space; "We sustained the
            diplomatic negociations as long as possible"; "prolong
            the treatment of the patient"; "keep up the good work"
            [syn: prolong, keep up]
       2: undergo (as of injuries and illnesses); "She suffered a
          fracture in the accident"; "He had an insulin shock after
          eating three candy bars"; "She got a bruise on her leg";
          "He got his arm broken in the scuffle" [syn: suffer, have,
           get]
       3: provide with nourishment; "We sustained ourselves on bread
          and water"; "This kind of food is not nourishing for young
          children" [syn: nourish, nurture]
       4: supply with necessities and support; "She alone sustained
          her family"; "The money will sustain our good cause";
          "There's little to earn and many to keep" [syn: keep, maintain]
       5: be the physical support of; carry the weight of; "The beam
          holds up the roof"; "He supported me with one hand while I
          balanced on the beam"; "What's holding that mirror?" [syn:
           hold, support, hold up]
       6: admit as valid; "The court sustained the motion"
       7: establish or strengthen as with new evidence or facts; "his
          story confirmed my doubts"; "The evidence supports the
          defendant" [syn: confirm, corroborate, substantiate,
           support, affirm] [ant: negate]