Translation of the verse 75 from Surah Az-Zukhruf : Number of verses 89 - - page 495 - Part 25.
(The torment) will not be lightened for them, and they will be plunged into destruction with deep regrets, sorrows and in despair therein.
It will not be allowed to subside for them, and they, therein, are in despair.
(43:75) Never will their torment be lightened for them. They shall remain in utter despair.
Source : Az-Zukhruf Verse 75: It will not be allowed to subside for them, and they, therein, are in despair.