1·Another transit worker at the scene said it took 20 minutes before a contractor arrived to disengage the mechanical platform extender and another 10 before the victim was freed by police.
另一位现场列车工作人员告诉记者在承包商赶到解除站台系统后已经过去了20分钟，之后警察又花了10分钟将受害者救出。
2·You can disengage it completely?
你能完全解除它吗？
3·Then he might fly for hours on the autopilot and finally disengage it (MAYBE?) below 800 ft after the gear was down, flaps extended and on airspeed (autothrottle). Then he might bring it in to land.
然后飞机在自动驾驶仪的操控下飞几个小时，最后在800英尺以下，襟翼和起落架已经放下，由自动油门保持着速度，他解除自动驾驶操纵飞机着陆。
4·He managed to disengage himself from the contract.
他成功地为自己“解除”了契约义务。