en_tn_condensed/ezk/04/02.md

lay siege against it

"surround the city in order to capture it"

build forts against it

"build strong walls against it." The walls would keep people from leaving the city.

Raise up an assault ramp against it

"Build a ramp outside of it for the enemies to get inside." Jerusalem had a wall around it to protect the people inside. The enemies could only get inside if they had a ramp to climb up over the wall.

Place battering rams all around it

"Set around it huge poles people would use to break down the gates and get inside." "Battering rams" are large trees or poles that many men in an army would pick up and hit against a wall or door so they could break it down and get inside.