they will present their excuses to you when you return to them. say present no excuses we shall not believe you. allah has already informed us of the news concerning you. allah and his messenger will observe your deeds. in the end you will be brought back to the allknower of the unseen and the seen then he will inform you of what you used to do. 
يعتذرون إليكم إذا رجعتم إليهم قل لا تعتذروا لن نؤمن لكم قد نبأنا الله من أخباركم وسيرى الله عملكم ورسوله ثم تردون إلى عالم الغيب والشهادة فينبئكم بما كنتم تعملون