يَوْمَ نَبْطِشُ ٱلْبَطْشَةَ ٱلْكُبْرَىٰٓ إِنَّا مُنتَقِمُونَ
Yawma nab t ishu alba t shata alkubr a inn a muntaqimoon a on the Day when We shall seize [all sinners] with a most mighty onslaught, We shall, verily, inflict Our retribution [on you as well]!
 - Mohammad Asad
One day We shall seize them with a mighty onslaught to exact Our retribution.
 - Muhammad Farooq-i-Azam Malik
'Then' on the Day We will deal 'you' the fiercest blow, We will surely inflict punishment.
 - Mustafa Khattab
On the day when We shall seize them with the greater seizure (then), in truth We shall punish.
 - Marmaduke Pickthall
One day We shall seize you with a mighty onslaught We will indeed (then) exact Retribution!
 - Abdullah Yusuf Ali