Translation for 51:28

فَأَوۡجَسَ مِنۡهُمۡ خِيفَةٗۖ قَالُواْ لَا تَخَفۡۖ وَبَشَّرُوهُ بِغُلَٰمٍ عَلِيمٖ ٢٨
˹They did not eat,˺ so he grew fearful of them.1 They reassured ˹him˺, “Do not be afraid,” and gave him good news of a knowledgeable son.2

Foot notes

77421

 Prophet Isaac (ﷺ).

77420

 As mentioned in 11:69-70, the angels came to Abraham in the form of men and when he offered them food, they did not eat. In ancient Middle Eastern culture, if a guest refused to eat the food provided by their host, it was a sign of ill-will.