Surah Al-Anbya 21:2

مَا يَأْتِيهِم مِّن ذِكْرٍ مِّن رَّبِّهِم مُّحْدَثٍ إِلَّا ٱسْتَمَعُوهُ وَهُمْ يَلْعَبُونَ

No mention [i.e., revelation] comes to them anew from their Lord except that they listen to it while they are at play

Translation: Saheeh International

Tafsir

There does not come to them any new reminder from their Lord revealed gradually in other words new words of the Qur’ān but they listen to it as they play as they engage in mockery

Excerpt from Tafsir al-Jalalayn, commentary on 21:2, via Quran.com. The reader has the full commentary and 9 more tafsirs.