Word by Word Analysis

وَإِن مَّا نُرِيَنَّكَ بَعْضَ ٱلَّذِى نَعِدُهُمْ أَوْ نَتَوَفَّيَنَّكَ فَإِنَّمَا عَلَيْكَ ٱلْبَلَـٰغُ وَعَلَيْنَا ٱلْحِسَابُ 40

And whether We show you part of what We promise them or take you in death, upon you is only the [duty of] notification, and upon Us is the account.