jit·ter /ˈʤɪtɚ/
  (vi.)神經過敏,戰戰兢兢
  jit·ter /ˈʤɪtɚ/ 不及物動詞
  (肌電圖上)顫抖現象,圖像跳動,顫動
  jitter
  顫動
  jitter
  抖動
  jitter
       n : small rapid variations in a waveform resulting from
           fluctuations in the voltage supply or mechanical
           vibrations or other sources