Surah Al-Isra 17:46
وَجَعَلْنَا عَلَىٰ قُلُوبِهِمْ أَكِنَّةً أَن يَفْقَهُوهُ وَفِىٓ ءَاذَانِهِمْ وَقْرًا ۚ وَإِذَا ذَكَرْتَ رَبَّكَ فِى ٱلْقُرْءَانِ وَحْدَهُۥ وَلَّوْا۟ عَلَىٰٓ أَدْبَـٰرِهِمْ نُفُورًا
And We have placed over their hearts coverings, lest they understand it, and in their ears deafness. And when you mention your Lord alone in the Qur’ān, they turn back in aversion.
Translation: Saheeh International
Tafsir
And We place upon their hearts veils covers lest they should understand it lest they should understand the Qur’ān in other words and so in this way they do not understand it and in their ears a deafness a heaviness thus they cannot hear it. …
Excerpt from Tafsir al-Jalalayn, commentary on 17:46, via Quran.com. The reader has the full commentary and 9 more tafsirs.