1V-ERG (使)脱离;(使)松开;解开;拆开 If you disengage something, or if it disengages, it becomes separate from something which it has been attached to. (使)脱离;(使)松开;解开;拆开 [Also VERB n from n]
She disengaged the film advance mechanism on the camera. [VERB noun]
她松开了照相机上的送片装置。
John gently disengaged himself from his sister's tearful embrace. [V pron-refl + from]