פירוש על ירמיהו 49:25

“How was...not fortified” It was not filled with earth around its wall to strengthen the wall. Cf. “And they fortified (ויעזבוּ) Jerusalem up to the wall” (Neh. 3:8). It can also be interpreted: Why was it not forsaken by this evil, that the evil should not come upon it?

the city of my joy So shall her king mourn over her.