26:202 fa ya'tiyahum bagtataw wa hum laa yash'Uruun

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Ahmed Raza Khan: Mohammed Aqib Qadri:
So it will come upon them suddenly, whilst they will be unaware.

Yusuf Ali:
But the (Penalty) will come to them of a sudden, while they perceive it not;

Pickthal:
So that it will come upon them suddenly, when they perceive not.