وَقَالُواْ لَوۡلَا نُزِّلَ عَلَيۡهِ ءَايَةٞ مِّن رَّبِّهِۦۚ قُلۡ إِنَّ ٱللَّهَ قَادِرٌ عَلَىٰٓ أَن يُنَزِّلَ ءَايَةٗ وَلَٰكِنَّ أَكۡثَرَهُمۡ لَا يَعۡلَمُونَ ٣٧
And they say, "Why has a sign not been sent down to him from his Lord?" Say, "Indeed, Allāh is Able to send down a sign, but most of them do not know."
Translation: Saheeh International (English)
Each word's meaning and sound
The idolaters make stubborn demands and delay acceptance of faith, and say: Why has no extraordinary sign been sent down to Muhammad as a proof from His Lord about the truth of what he has brought? Say, O Messenger: Allah is able to send down a sign as you wish, but most of these idolaters, who demand that a sign be sent down, do not know that signs are only sent down in accordance with Allah’s wisdom and not according to their demands. If He was to send it down and they still did not believe, then He would destroy them.
Al-Mukhtasar in interpreting the Noble Quran