Surah Qaf 50:2

بَلْ عَجِبُوٓا۟ أَن جَآءَهُم مُّنذِرٌ مِّنْهُمْ فَقَالَ ٱلْكَـٰفِرُونَ هَـٰذَا شَىْءٌ عَجِيبٌ

But they wonder that there has come to them a warner from among themselves, and the disbelievers say, "This is an amazing thing.

Translation: Saheeh International

Tafsir

Nay but they consider it odd that there should have come to them a warner from among themselves a messenger who is one of them to threaten them with the punishment of the Fire after resurrection. So the disbelievers say ‘This warning is an odd thing!

Excerpt from Tafsir al-Jalalayn, commentary on 50:2, via Quran.com. The reader has the full commentary and 9 more tafsirs.