ישעיהו כב:ז פירוש: רש״י ואבן עזרא

laid [siege] to the gate (Lit., laid to the gate.) They laid siege to the gates. There is a similar expression in Kings (II 20:12) in the war with Ben Hadad, “Lay on!” And they laid siege to the city.

Thy valleys. The second person refers to Jerusalem. שת שתו.

They prepare,⁹A. V., They set themselves in array. the forts, the trenches, and all the instruments of war.