(ولئن أرسلنا ريحا ) باردة مضرة فأفسدت الزرع ( فرأوه مصفرا ) أي : رأوا النبت والزرع مصفرا بعد الخضرة ) ( لظلوا ) لصاروا ) ( من بعده ) أي : من بعد اصفرار الزرع ) ( يكفرون ) يجحدون ما سلف من النعمة ، يعني : أنهم يفرحون عند الخصب ، ولو أرسلت عذابا على زرعهم جحدوا سالف نعمتي .
If we were to send upon their farms and crops a wind which would spoil them, and they were to then see their crops yellow in colour after they had previously been green, they would then begin to show ingratitude to the numerous other bounties of Allah they were given before that.