﴿ وَيَقُولُ ٱلَّذِينَ ءَامَنُوا۟ لَوْلَا نُزِّلَتْ سُورَةٌۭ ۖ فَإِذَآ أُنزِلَتْ سُورَةٌۭ مُّحْكَمَةٌۭ وَذُكِرَ فِيهَا ٱلْقِتَالُ ۙ رَأَيْتَ ٱلَّذِينَ فِى قُلُوبِهِم مَّرَضٌۭ يَنظُرُونَ إِلَيْكَ نَظَرَ ٱلْمَغْشِىِّ عَلَيْهِ مِنَ ٱلْمَوْتِ ۖ فَأَوْلَىٰ لَهُمْ ﴾

“NOW THOSE who have attained to faith say, “Would that a revelation [allowing us to fight] was bestowed from on high!” But now that a revelation clear in and by itself, mentioning war, has been bestowed from on high, thou canst see those in whose hearts is disease look­ing at thee, [O Muhammad,] with the look of one who is about to faint for fear of death! And yet, far better for them would be”

Please check ayah 47:23 for complete tafsir.