Surah Hud 11:12

فَلَعَلَّكَ تَارِكٌۢ بَعْضَ مَا يُوحَىٰٓ إِلَيْكَ وَضَآئِقٌۢ بِهِۦ صَدْرُكَ أَن يَقُولُوا۟ لَوْلَآ أُنزِلَ عَلَيْهِ كَنزٌ أَوْ جَآءَ مَعَهُۥ مَلَكٌ ۚ إِنَّمَآ أَنتَ نَذِيرٌ ۚ وَٱللَّهُ عَلَىٰ كُلِّ شَىْءٍ وَكِيلٌ

Then would you possibly leave [out] some of what is revealed to you, or is your breast constrained by it because they say, "Why has there not been sent down to him a treasure or come with him an angel?" But you are only a warner. And Allāh is Disposer of all things.

Translation: Saheeh International

Tafsir

Perhaps O Muhammad (s) you might think to leave out some of what is revealed to you such that you do not convey it to them for they do not take it seriously and that your breast should be straitened by it by reciting it to them because they say ‘Why has a treasure not been sent down for him or an angel not come with …

Excerpt from Tafsir al-Jalalayn, commentary on 11:12, via Quran.com. The reader has the full commentary and 9 more tafsirs.