bounce /ˈbaʊn(t)s/
  跳,跳躍,彈力,撞擊(vi.)反跳,彈跳(vt.)使跳回,使撞擊(ad.)突然,砰地一下	;  (郵件傳送發生錯誤時,返回傳送處的代碼)
  bounce
  彈回
  bounce
  彈跳
  Bounce, adv. With a sudden leap; suddenly.
     This impudent puppy comes bounce in upon me.   --Bickerstaff.
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  Bounce v. i. [imp. & p. p. Bounced p. pr. & vb. n. Bouncing ]
  1. To strike or thump, so as to rebound, or to make a sudden noise; a knock loudly.
     Another bounces as hard as he can knock.   --Swift.
     Against his bosom bounced his heaving heart.   --Dryden.
  2. To leap or spring suddenly or unceremoniously; to bound; as, she bounced into the room.
     Out bounced the mastiff.   --Swift.
     Bounced off his arm+chair.   --Thackeray.
  3. To boast; to talk big; to bluster. [Obs.]
  Bounce, v. t.
  1. To drive against anything suddenly and violently; to bump; to thump.
  2. To cause to bound or rebound; sometimes, to toss.
  3. To eject violently, as from a room; to discharge unceremoniously, as from employment. [Collog. U. S.]
  4. To bully; to scold. [Collog.]
  Bounce n.
  1. A sudden leap or bound; a rebound.
  2. A heavy, sudden, and often noisy, blow or thump.
     The bounce burst open the door.   --Dryden.
  3. An explosion, or the noise of one. [Obs.]
  4. Bluster; brag; untruthful boasting; audacious exaggeration; an impudent lie; a bouncer.
  5. Zool. A dogfish of Europe (Scyllium catulus).
  bounce
       n 1: the quality of a substance that is able to rebound [syn: bounciness]
       2: a light springing movement upwards or forwards [syn: leap,
           leaping, spring, saltation, bound]
       3: rebounding from an impact (or series of impacts) [syn: bouncing]
       v 1: spring back; spring away from an impact; "The rubber ball
            bounced"; "These particles do not resile but they unite
            after they collide" [syn: resile, take a hop, spring,
             bound, rebound, recoil, reverberate, ricochet]
       2: hit something so that it bounces; "bounce a ball"
       3: move up and down repeatedly [syn: jounce]
       4: come back after being refused; "the check bounced" [ant: clear]
       5: leap suddenly; "He bounced to his feet"
       6: refuse to accept and send back; "bounce a check"
       7: eject from the premises; "The ex-boxer's job is to bounce
          people who want to enter this private club"