jer·ky /ˈʤɝki/
  (a.)急動的,抽筋的,抽筋性的牛肉乾
  jerk·y a.
  1. Moving by jerks and starts; characterized by abrupt transitions; as, a jerky vehicle; a jerky style.
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  jerky
       adj : not having a steady rhythm; "an arrhythmic heartbeat" [syn:
             arrhythmic, jerking, unsteady]
       n : meat cut in strips and dried in the sun [syn: jerked meat]
       [also: jerkiest, jerkier]