73:5

إِنَّا سَنُلْقِي عَلَيْكَ قَوْلًا ثَقِيلًا

Transliteration:

Inna sanulqee AAalayka qawlan thaqeelan

Word by Word:

Indeed, We will cast upon you a Word heavy.

Translations:

Behold, We shall bestow upon thee a weighty message

Soon shall We send down to thee a weighty Message.

For we shall charge thee with a word of weight.

Surely We shall charge thee with a weighty word.

Indeed, We will cast upon you a heavy word.