Surah Al-Furqan 25:41

وَإِذَا رَأَوْكَ إِن يَتَّخِذُونَكَ إِلَّا هُزُوًا أَهَـٰذَا ٱلَّذِى بَعَثَ ٱللَّهُ رَسُولًا

And when they see you, [O Muḥammad], they take you not except in ridicule, [saying], "Is this the one whom Allāh has sent as a messenger?

Translation: Saheeh International

Tafsir

And when they see you they take you in mockery only as an object of derision saying ‘Is this the one whom God has sent as a messenger? as he is wont to claim? — contemptuously of him as one not worthy of being a messenger.

Excerpt from Tafsir al-Jalalayn, commentary on 25:41, via Quran.com. The reader has the full commentary and 9 more tafsirs.