Surely the Hour will be the moment of their promise, and that moment will be calamitous and distressing.

In fact their promise is upon the Last Day and the Last Day is very severe and very bitter!

Nay, but the Hour is their tryst, and the Hour is very calamitous and bitter.

Aye! the Hour is their appointed term, and the Hour shall be far more grievous and far more bitter.

Nay, but the Hour is their appointed time (for their full recompense), and the Hour will be more grievous and more bitter.

The Hour is their appointed time the Hour is more disastrous, and most bitter.

Nay the Hour of Doom is their appointed time, and the Hour shall be more calamitous and bitter.

Nay, but the Hour (of doom) is their appointed tryst, and the Hour will be more wretched and more bitter (than their earthly failure).

Indeed, the Hour is their tryst and the Hour will be most calamitous and bitter.

Rather, the Hour is their encounter. And that Hour will be most calamitous and bitter.

But the Hour is their appointment for due punishment , and the Hour is more disastrous and more bitter.

In fact, the Hour of Doom is the time for them to suffer. The suffering of this hour is the most calamitous and the most bitter (of all suffering).

Nay, the hour is their promised time, and the hour shall be most grievous and bitter.

Indeed, the Hour of Doom is their appointed time, and the Last Hour will be the most severe, and the most bitter.

Nay, the Hour (of Judgment) is the time promised them (for their full recompense) And that Hour will be most grievous and most bitter.