"So they returned with grace from Allah"—meaning: the reward—"and bounty"—meaning: what they traded with—"no evil having touched them"—meaning: neither killing nor defeat.
﴿فانقلبوا بِنِعْمَة من الله﴾ يَعْنِي: الْأجر ﴿وَفضل﴾ يَعْنِي: مَا تسوقوا بِهِ ﴿لَمْ يمسسهم سوء﴾ قتل وَلَا هزيمَة.