77:50

فَبِأَيِّ حَدِيثٍ بَعْدَهُ يُؤْمِنُونَ

Transliteration:

Fabi-ayyi hadeethin baAAdahu yu/minoona

Word by Word:

Then in what statement after it will they believe?

Translations:

In what other tiding, then, will they, after this, believe?

Then what Message, after that, will they believe in?

In what statement, after this, will they believe?

In what narration after it, will they believe?

Then in what statement after the Qur'an will they believe?