资料来源 : pyDict

肯定的,必定的,必然的,确信的,可靠的,有把握的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sure \Sure\, adv.
   In a sure manner; safely; certainly. ``Great, sure, shall be
   thy meed.'' --Spenser.

         'T is pleasant, sure, to see one's name in print.
                                                  --Byron.

Sure \Sure\, a. [Compar. {Surer}; superl. {Surest}.] [OE. sur,
   OF. se["u]r, F. s[^u]r, L. securus; se aside, without + cura
   care. See {Secure}, and cf. {Assure}, {Insure}, {Sicker}
   sure.]
   1. Certainly knowing and believing; confident beyond doubt;
      implicity trusting; unquestioning; positive.

            We are sure that the judgment of God is according to
            truth against them which commit such things. --Rom.
                                                  ii. 2.

            I'm sure care 's an enemy of life.    --Shak.

   2. Certain to find or retain; as, to be sure of game; to be
      sure of success; to be sure of life or health.

   3. Fit or worthy to be depended on; certain not to fail or
      disappoint expectation; unfailing; strong; permanent;
      enduring. ``His sure word.'' --Keble.

            The Lord will certainly make my lord a sure house;
            because my lord fighteth the battles of the Lord.
                                                  --1 Sam. xxv.
                                                  28.

            The testimony of the Lord is sure.    --Ps. xix. 7.

            Which put in good sure leather sacks. --Chapman.

   4. Betrothed; engaged to marry. [Obs.]

            The king was sure to Dame Elizabeth Lucy, and her
            husband before God.                   --Sir T. More.

            I presume . . . that you had been sure as fast as
            faith could bind you, man and wife.   --Brome.

   5. Free from danger; safe; secure.

            Fear not; the forest is not three leagues off; If we
            recover that we are sure enough.      --Shak.
      

   {To be sure}, or {Be sure}, certainly; without doubt; as,
      Shall you do? To be sure I shall.

   {To make sure}.
      (a) To make certain; to secure so that there can be no
          failure of the purpose or object. ``Make Cato sure.''
          --Addison. ``A peace can not fail, provided we make
          sure of Spain.'' --Sir W. Temple.
      (b) To betroth. [Obs.]

                She that's made sure to him she loves not well.
                                                  --Cotgrave.

   Syn: Certain; unfailing; infallible; safe; firm; permanent;
        steady; stable; strong; secure; indisputable; confident;
        positive.

资料来源 : WordNet®

sure
     adj 1: having or feeling no doubt or uncertainty; confident and
            assured; "felt certain of success"; "was sure (or
            certain) she had seen it"; "was very sure in his
            beliefs"; "sure of her friends" [syn: {certain(p)}]
            [ant: {uncertain}, {uncertain}]
     2: exercising or taking care great enough to bring assurance;
        "be certain to disconnect the iron when you are through";
        "be sure to lock the doors" [syn: {certain}]
     3: certain to occur; destined or inevitable; "he was certain to
        fail"; "his fate is certain"; "In this life nothing is
        certain but death and taxes"- Benjamin Franklin; "he faced
        certain death"; "sudden but sure regret"; "he is sure to
        win" [syn: {certain}] [ant: {uncertain}]
     4: physically secure or dependable; "a sure footing"; "was on
        sure ground"
     5: capable of being depended on; "a quick and certain remedy";
        "a sure way to distinguish the two"; "wood dust is a sure
        sign of termites" [syn: {certain}]
     6: (of persons) worthy of trust or confidence; "a sure (or
        trusted) friend" [syn: {trusted}]
     7: infallible or unfailing; "a sure (or true) sign of one's
        commitment"
     8: certain not to fail; "a sure hand on the throttle"
     9: impossible to doubt or dispute; "indisputable (or sure)
        proof" [syn: {indisputable}]

sure
     adv : definitely or positively (`sure' is sometimes used
           informally for `surely'); "the results are surely
           encouraging"; "she certainly is a hard worker"; "it's
           going to be a good day for sure"; "they are coming, for
           certain"; "they thought he had been killed sure
           enough"; "he'll win sure as shooting"; "they sure smell
           good"; "sure he'll come" [syn: {surely}, {certainly}, {for
           sure}, {for certain}, {sure enough}, {sure as shooting}]

资料来源 : Free On-Line Dictionary of Computing

Sure
     
        ["Towards a Broader Basis for Logic Programming", Bharat
        Jayaraman, TR CS Dept, SUNY Buffalo, 1990].
     
        (1995-01-05)