en_tn_condensed/2sa/20/15.md

They caught up with him

"Joab and the soldiers caught up with him"

against the city against the wall

"against the city wall"

battered the wall to knock it down

This means that they used a battering ram to knock down the wall. A battering ram was a cut tree or large log with a sharpened end or an end covered in metal. It was held by several men who would pound the end against a wall. AT: "used a battering ram to knock down the wall" (See: rc://en/ta/man/translate/figs-explicit)