﴿ لَتَرَوُنَّ ٱلْجَحِيمَ ﴾

“you would indeed, most surely, behold the blazing fire [of hell]!”

you would surely see hell-fire the Fire la-tarawunna’l-jahīma this is the response to an omitted oath; the third consonant of the root of the verb r-’-y together with the second have been omitted and its vowel has been transposed onto the rā’.