(Muhammad Assad)
72:9 notwithstanding that we were established in positions [which we had thought well-suited] to listening to [whatever secrets might be in] it: and anyone who now [or ever] tries to listen will [likewise] find a flame lying in wait for him! 72:9
(Yousaf Ali)
72:9 'We used, indeed, to sit there in (hidden) stations, to (steal) a hearing; but any who listen now will find a flaming fire watching him in ambush.72:9