Word by Word Analysis

فَتَرَى ٱلَّذِينَ فِى قُلُوبِهِم مَّرَضٌ يُسَـٰرِعُونَ فِيهِمْ يَقُولُونَ نَخْشَىٰٓ أَن تُصِيبَنَا دَآئِرَةٌ ۚ فَعَسَى ٱللَّهُ أَن يَأْتِىَ بِٱلْفَتْحِ أَوْ أَمْرٍ مِّنْ عِندِهِۦ فَيُصْبِحُوا۟ عَلَىٰ مَآ أَسَرُّوا۟ فِىٓ أَنفُسِهِمْ نَـٰدِمِينَ 52

So you see those in whose hearts is disease [i.e., hypocrisy] hastening into [association with] them, saying, "We are afraid a misfortune may strike us." But perhaps Allāh will bring conquest or a decision from Him, and they will become, over what they have been concealing within themselves, regretful.