Translation:

44. For any whom Allah leaves astray there is no protector thereafter and thou wilt see the wrongdoers when in sight of the Penalty Say: "Is there any way (to effect) a return?

Notes (Tafseer)

4587. When the actual consequences of evil are in sight, the foolish sinner wishes that it were possible to get back to the life of probation. But he neglected or abused it and rejected Allah's Grace all the time. How can he then be restored to a closed chapter of his life?