disengage
verb formal uk/ˌdɪs.ɪŋˈɡeɪdʒ/ us/ˌdɪs.ɪŋˈɡeɪdʒ/
[ I or T ]（使）脱离，（使）松开
to become physically separated from something, or to make two things become physically separated
The door was disengaged from one of its hinges. 门上的一个铰链松开了。
[ T ]（使）摆脱约束（或控制）
to switch off the control of something
The autopilot had been disengaged. 自动驾驶仪已经关闭。
[ T ]松开（离合器）
If you disengage the clutch of a car, you stop the power produced by the engine being connected to the wheels.