twitch /ˈtwɪʧ/
 (vi.)急拉,抽搐,陣痛(vt.)急拉,攫取,抽動急拉,抽搐,陣痛


 twitch /ˈtwɪʧ/ 不及物動詞
 顫搐


 Twitch v. t. [imp. & p. p. Twitched p. pr. & vb. n. Twitching.]  To pull with a sudden jerk; to pluck with a short, quick motion; to snatch; as, to twitch one by the sleeve; to twitch a thing out of another's hand; to twitch off clusters of grapes.
    Thrice they twitched the diamond in her ear.   --Pope.


 Twitch, n.
 1. The act of twitching; a pull with a jerk; a short, sudden, quick pull; as, a twitch by the sleeve.
 2. A short, spastic contraction of the fibers or muscles; a simple muscular contraction; as, convulsive twitches; a twitch in the side.
 3. Far. A stick with a hole in one end through which passes a loop, which can be drawn tightly over the upper lip or an ear of a horse. By twisting the stick the compression is made sufficiently painful to keep the animal quiet during a slight surgical operation.

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 twitch
      n : a sudden muscle spasm; especially one caused by a nervous
          condition [syn: twitching, vellication]
      v 1: make an uncontrolled, short, jerky motion; "his face is
           twitching" [syn: jerk]
      2: move with abrupt, seemingly uncontrolled motions; "The
         patient's legs were jerkings" [syn: jerk]
      3: toss with a sharp movement so as to cause to turn over in
         the air [syn: flip]
      4: squeeze tightly between the fingers; "He pinched her
         behind"; "She squeezed the bottle" [syn: pinch, squeeze,
          twinge, tweet, nip]
      5: move or pull with a sudden motion