vt.

1. 解开，解除；使脱离[（+from）]
   The mother gently disengaged her hand from that of the sleeping child.

   母亲轻轻地把手从睡着的孩子手中抽出来。

2. 【化】使分离，使离析
3. 【军】使脱离接触

vi.

1. 脱出，松开[（+from）]
   That country disengaged from military dependence on its neighbor.

   那个国家在军事上摆脱了对邻国的依赖。

v.

1. separate, release, or detach.
   ▸ [as adj. disengaged] emotionally detached; uninvolved.
2. remove (troops) from an area of conflict.
3. Fencing  pass the point of one's sword over or under the opponent's sword to change the line of attack.

n.