Word by Word Analysis

وَمَنْ أَظْلَمُ مِمَّن مَّنَعَ مَسَـٰجِدَ ٱللَّهِ أَن يُذْكَرَ فِيهَا ٱسْمُهُۥ وَسَعَىٰ فِى خَرَابِهَآ ۚ أُو۟لَـٰٓئِكَ مَا كَانَ لَهُمْ أَن يَدْخُلُوهَآ إِلَّا خَآئِفِينَ ۚ لَهُمْ فِى ٱلدُّنْيَا خِزْىٌ وَلَهُمْ فِى ٱلْـَٔاخِرَةِ عَذَابٌ عَظِيمٌ 114

And who are more unjust than those who prevent the name of Allāh from being mentioned [i.e., praised] in His mosques and strive toward their destruction. It is not for them to enter them except in fear. For them in this world is disgrace, and they will have in the Hereafter a great punishment.