Word by Word Analysis

فَكَفَىٰ بِٱللَّهِ شَهِيدًۢا بَيْنَنَا وَبَيْنَكُمْ إِن كُنَّا عَنْ عِبَادَتِكُمْ لَغَـٰفِلِينَ 29

And sufficient is Allāh as a witness between us and you that we were of your worship unaware."