Translation for 27:21

لَأُعَذِّبَنَّهُۥ عَذَابٗا شَدِيدًا أَوۡ لَأَاْذۡبَحَنَّهُۥٓ أَوۡ لَيَأۡتِيَنِّي بِسُلۡطَٰنٖ مُّبِينٖ ٢١
I will surely subject him to a severe punishment, or ˹even˺ slaughter him, unless he brings me a compelling excuse.”