ٱلْأَحْزَاب : ٨

  • لِّيَسۡـَٔلَ That He may ask
  • ٱلصَّـٰدِقِينَ the truthful
  • عَن about
  • صِدۡقِهِمۡۚ their truth
  • وَأَعَدَّ And He has prepared
  • لِلۡكَٰفِرِينَ for the disbelievers
  • عَذَابًا a punishment
  • أَلِيمٗا painful
That He may question the truthful about their truth.1 And He has prepared for the disbelievers a painful punishment.
Footnotes
1 - i.e., that He may ask the prophets what they conveyed to their people and what response they received. "The truthful" may also refer to those who believed in the message conveyed by the prophets and imparted it to others.
that He, God, may question the truthful about their truthfulness, in delivering the Message, as a way thereby to [justifiably] reproach the disbelievers; and He, exalted be He, has prepared for those who disbelieve, in them, a painful chastisement ('adhaaban aleeman is a supplement to akhadhnaa, 'We took').