Word by Word Analysis

وَإِذَا رَءَاكَ ٱلَّذِينَ كَفَرُوٓا۟ إِن يَتَّخِذُونَكَ إِلَّا هُزُوًا أَهَـٰذَا ٱلَّذِى يَذْكُرُ ءَالِهَتَكُمْ وَهُم بِذِكْرِ ٱلرَّحْمَـٰنِ هُمْ كَـٰفِرُونَ 36

And when those who disbelieve see you, [O Muḥammad], they take you not except in ridicule, [saying], "Is this the one who mentions [i.e., insults] your gods?" And they are, at the mention of the Most Merciful, disbelievers.