حَتَّىٰٓ إِذَا فَتَحْنَا عَلَيْهِم بَابًا ذَا عَذَابٍ شَدِيدٍ إِذَا هُمْ فِيهِ مُبْلِسُونَ
Saheeh International(77) Until when We have opened before them a door of severe punishment, immediately they will be therein in despair.
English Translation - Rowwad Translation Centeruntil when We open for them a gateway of severe punishment, they will be plunged into utter despair.
English Translation - Hilali and Khan77. Until, when We open for them the gate of severe punishment, then lo! they will be plunged into destruction with deep regrets, sorrows and in despair.