On the Day when We shall seize you with the greatest grasp.

﴿يَوۡمَ نَبۡطِشُ ٱلۡبَطۡشَةَ ٱلۡكُبۡرَىٰٓ إِنَّا مُنتَقِمُونَ ﴾
[الدُّخان: 16]

On the Day when We shall seize you with the greatest grasp. Verily, We will exact retribution

﴿يوم نبطش البطشة الكبرى إنا منتقمون﴾ [الدُّخان: 16]

Al Bilal Muhammad Et Al
One day We will seize you with a mighty onslaught. We will indeed exact retribution

Ali Bakhtiari Nejad
On a day that We assault with the great assault, indeed We take revenge

Ali Quli Qarai
The day We shall strike with the most terrible striking, We will indeed take vengeance [on them]

Ali Unal
On the day when We will seize with the mightiest grasp. We will indeed take retribution

Hamid S Aziz
On the day when We will seize them with a mighty seizing, We will indeed exact retribution

John Medows Rodwell
On the day when we shall fiercely put forth our great fierceness, we will surely take vengeance on them

Literal
A day/time We violently destroy the violent attack , the greatest/biggest , that We truly are revenging/punishing

Mir Anees Original
One day We will seize with a great seizure. We are certainly Inflicters of retribution

Mir Aneesuddin
One day We will seize with a great seizure. We are certainly Inflicters of retribution