"Then he turned upon them," meaning: he turned toward their idols, "striking [them] with the right hand," and he broke them, except for their greatest one; and its explanation has already passed in Surat al-Anbiya'.
﴿فرَاغ عَلَيْهِم﴾ أَي: مَال عَلَى آلِهَتهم ﴿ضَرْبًا بِالْيَمِينِ﴾ فَكَسرهَا إِلَّا كَبِيرهمْ، وَقد مضى تَفْسِيره فِي سُورَة الْأَنْبِيَاء