be·tray /bɪˈtre/
 (vt.)出賣,背叛,辜負,暴露


 Be·tray v. t. [imp. & p. p. Betrayed p. pr. & vb. n. Betraying.]
 1. To deliver into the hands of an enemy by treachery or fraud, in violation of trust; to give up treacherously or faithlessly; as, an officer betrayed the city.
    Jesus said unto them, The Son of man shall be betrayed into the hands of men.   --Matt. xvii. 22.
 2. To prove faithless or treacherous to, as to a trust or one who trusts; to be false to; to deceive; as, to betray a person or a cause.
    But when I rise, I shall find my legs betraying me.   --Johnson.
 3. To violate the confidence of, by disclosing a secret, or that which one is bound in honor not to make known.
    Willing to serve or betray any government for hire.   --Macaulay.
 4. To disclose or discover, as something which prudence would conceal; to reveal unintentionally.
    Be swift to hear, but cautious of your tongue, lest you betray your ignorance.   --T. Watts.
 5. To mislead; to expose to inconvenience not foreseen to lead into error or sin.
    Genius . . . often betrays itself into great errors.   --T. Watts.
 6. To lead astray, as a maiden; to seduce (as under promise of marriage) and then abandon.
 7. To show or to indicate; -- said of what is not obvious at first, or would otherwise be concealed.
    All the names in the country betray great antiquity.   --Bryant.

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 betray
      v 1: reveal unintentionally; "Her smile betrayed her true
           feelings" [syn: bewray]
      2: deliver to an enemy by treachery; "Judas sold Jesus"; "The
         spy betrayed his country" [syn: sell]
      3: disappoint, prove undependable to; abandon, forsake; "His
         sense of smell failed him this time"; "His strength
         finally failed him"; "His children failed him in the
         crisis" [syn: fail]
      4: be sexually unfaithful to one's partner in marriage; "She
         cheats on her husband"; "Might her husband be wandering?"
         [syn: cheat on, cheat, cuckold, wander]
      5: give away information about somebody; "He told on his
         classmate who had cheated on the exam" [syn: denounce, {tell
         on, give away, rat, grass, shit, shop, snitch,
          stag]
      6: cause someone to believe an untruth; "The insurance company
         deceived me when they told me they were covering my house"
         [syn: deceive, lead astray] [ant: undeceive]