jerk

• She jerked upright in surprise .
  她惊讶得跳了起来。
• The muscles of the duke's face jerked spasmodically .
  公爵脸上的肌肉一阵一阵地抽搐着。
• The heads below jerked up .
  下面的脑袋都蓦然抬起。
• Just keep that jerk off me .
  让那个笨蛋离开我。
• He took me by the arm and jerked me round brutally .
  他抓住我的胳臂，凶狠地把我搡了一顿。
• At last she jerked herself up: she must not sleep again .
  最后她用力振作起来，免得又睡着。
• The train jerked to a halt .
  火车猛然停住了。
• I felt as if the bottom had dropped out of things with a jerk .
  我觉得好象高楼失足，大为不妙。
• Evan tried to take the man's arm; the man jerked away .
  依万试图握住那人的胳臂；那人猛地甩开了。
• Mr. norton's head jerked like a jabbed punching bag .
  诺顿先生的头象戳破了的拳击吊袋一样陡然一动。