hang behind

• • 落在后面，落后：

    Nobody hung behind after running 2 miles.

    跑了两英里之后还没有一个人落伍。

  • 别人离开后仍逗留着:

    Some of students hung behind after the lecture to have word with the teacher.

    课后有几个学生留下来和主讲老师谈话。