Ahmed Raza Khan: Mohammed Aqib Qadri:
Whereas there is a barrier between them
so they cannot encroach upon one another.
Yusuf Ali:
Between them is a Barrier which they do not transgress:
Pickthal:
There is a barrier between them. They encroach not (one upon the other).
Courtesy of: 
(PrayerWare)
Click here to play the verse