51:13

يَوْمَ هُمْ عَلَى النَّارِ يُفْتَنُونَ

Transliteration:

Yawma hum AAala alnnari yuftanoona

Word by Word:

A Day, they over the Fire will be tried,

Translations:

[It will be] a Day when they will be sorely tried by the fire,

(It will be) a Day when they will be tried (and tested) over the Fire!

(It is) the day when they will be tormented at the Fire,

(It is) the day when they are tried at the Fire.

[It is] the Day they will be tormented over the Fire