buck·le /ˈbʌkəl/
 皮帶扣,釦子(vt.)扣住,使彎曲(vi.)扣住,變彎曲,屈服
 Buc·kle v. t. [imp. & p. p. Buckled p. pr. & vb. n. Buckling.]
 1. To fasten or confine with a buckle or buckles; as, to buckle a harness.
 2. To bend; to cause to kink, or to become distorted.
 3. To prepare for action; to apply with vigor and earnestness; -- formerly, generally used reflexively, but by mid 20th century, usually used with down; -- as, the programmers buckled down and worked late hours to finish the project in time for the promised delivery date.
    Cartwright buckled himself to the employment.   --Fuller.
 4. To join in marriage. [Scot.]
 Buc·kle n.
 1. A device, usually of metal, consisting of a frame with one more movable tongues or catches, used for fastening things together, as parts of dress or harness, by means of a strap passing through the frame and pierced by the tongue.
 2. A distortion bulge, bend, or kink, as in a saw blade or a plate of sheet metal.
 3. A curl of hair, esp. a kind of crisp curl formerly worn; also, the state of being curled.
    Earlocks in tight buckles on each side of a lantern face.   --W. Irving.
    Lets his wig lie in buckle for a whole half year.   --Addison.
 4. A contorted expression, as of the face. [R.]
 'Gainst nature armed by gravity,
 His features too in buckle see.   --Churchill.
 Buc·kle v. i.
 1. To bend permanently; to become distorted; to bow; to curl; to kink.
    Buckled with the heat of the fire like parchment.   --Pepys.
 2. To bend out of a true vertical plane, as a wall.
 3. To yield; to give way; to cease opposing. [Obs.]
    The Dutch, as high as they seem, do begin to buckle.   --Pepys.
 4. To enter upon some labor or contest; to join in close fight; to struggle; to contend.
    The bishop was as able and ready to buckle with the Lord Protector as he was with him.   --Latimer.
    In single combat thou shalt buckle with me.   --Shak.
 To buckle to, to bend to; to engage with zeal.
    To make our sturdy humor buckle thereto.   --Barrow.
    Before buckling to my winter's work.   --J. D. Forbes.
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 buckle
      n 1: fastener that fastens together two ends of a belt or strap;
           often has loose prong
      2: a shape distorted by twisting or folding [syn: warp]
      v 1: fasten with a buckle or buckles [syn: clasp] [ant: unbuckle]
      2: fold or collapse; "His knees buckled" [syn: crumple]
      3: bend out of shape, as under pressure or from heat; "The
         highway buckled during the heatwave" [syn: heave, warp]