Leave Off Meaning

(intransitive) To stop with a view to resuming at a later point.

Example:   Leave off hitting him!
July 18 2012, Scott Tobias, AV Club The Dark Knight Rises[1]
  Picking up eight years after The Dark Knight left off, the film finds Gotham enjoying a tenuous peace based on Harvey Dent’s moral ideals rather than the ugly truth of his demise.