Al-Munaafiqoon • EN-TAFSIR-IBN-ABBAS
﴿ ٱتَّخَذُوٓا۟ أَيْمَٰنَهُمْ جُنَّةًۭ فَصَدُّوا۟ عَن سَبِيلِ ٱللَّهِ ۚ إِنَّهُمْ سَآءَ مَا كَانُوا۟ يَعْمَلُونَ ﴾
“They have made their oaths a cover [for their falseness], and thus they turn others away from the Path of God. Evil indeed is all that they are wont to do:”
(They make their faith) they make their oath by Allah (a pretext) to escape being killed (that they may turn (men) from the way of Allah) and bar people from Allah's religion and obedience in secret. (Verily evil is that which they are wont to do) evil is that which they do in their state of disbelief and hypocrisy, of plotting, treachery and turning people away,