حَتَّىٰٓ إِذَا فَتَحْنَا عَلَيْهِم بَابًا ذَا عَذَابٍ شَدِيدٍ إِذَا هُمْ فِيهِ مُبْلِسُونَ
H att a i tha fata h n a AAalayhim b a ban tha AAa tha bin shadeedin i tha hum feehi mublisoon a until We open before them a gate of [truly] severe suffering [in the life to come]: and then, lo! they will be broken in spirit47
 - Mohammad Asad
Until when We open upon them a gate of severe punishment, you will see that they are plunged in utter despair.
 - Muhammad Farooq-i-Azam Malik
But as soon as We open for them a gate of severe punishment, they will be utterly desperate.
 - Mustafa Khattab
Until, when We open for them the gate of extreme punishment, behold! they are aghast thereat.
 - Marmaduke Pickthall
Until We open on them a gate leading to a severe Punishment: then Lo! they will be plunged in despair therein! 2923
 - Abdullah Yusuf Ali