a.

1. 分离的，不连接的
   a detached house

   独立式的房屋

2. 不带感情的；公平的；超然的
   A judge must be detached when weighing evidence.

   法官在掂量证据时应该客观公正。

adj.

1. separate or disconnected.
   ▸(of a house) not joined to another on either side.
2. aloof and objective.
3. denoting a retina that has become separated from the underlying choroid tissue at the back of the eye, causing loss of vision in the affected area.