Undoubtedly, you are to taste a painful agony.
Most assuredly, you will taste the most painful retribution.
You shall certainly taste the painful punishment
Surely you will taste the painful chastisement
That you are tasting/experiencing the torture, the painful
It will be said to the disbelievers: “You deserve to taste the awful punishment.”
“You surely have to taste the painful punishment.”
You shall, surely, taste the painful punishment
Verily, you are about to taste the painful torment
(Disbelievers!) you will suffer the woeful punishment, most certainly
Verily, you (pagans of Makkah) are going to taste the painful torment