Word by Word Analysis

وَيَوْمَ نَبْعَثُ مِن كُلِّ أُمَّةٍ شَهِيدًا ثُمَّ لَا يُؤْذَنُ لِلَّذِينَ كَفَرُوا۟ وَلَا هُمْ يُسْتَعْتَبُونَ 84

And [mention] the Day when We will resurrect from every nation a witness [i.e., their prophet]. Then it will not be permitted to the disbelievers [to apologize or make excuses], nor will they be asked to appease [Allāh].