52:33

أَمْ يَقُولُونَ تَقَوَّلَهُ بَل لَّا يُؤْمِنُونَ

Transliteration:

Am yaqooloona taqawwalahu bal la yu/minoona

Word by Word:

Or (do) they say, "He has made it up" Nay, not they believe.

Translations:

Or do they say, He himself has composed this [message]"? Nay, but they are not willing to believe!

Or do they say, "He fabricated the (Message)"? Nay, they have no faith!

Or say they: He hath invented it? Nay, but they will not believe!

Or say they: He has forged it. Nay, they have no faith.

Or do they say, "He has made it up"? Rather, they do not believe.