en_tn/lam/02/08.md

daughter of Zion

This is a poetic name for Jerusalem, which is spoken of here as if it were a woman. (See: rc://en/ta/man/translate/figs-personification)

He has stretched out the measuring line

AT: "He has measured the length of the wall" so he knows exactly how much to destroy (See: rc://en/ta/man/translate/figs-metaphor)

has not withheld his hand from destroying

AT: "He has destroyed using all his power" (See: rc://en/ta/man/translate/figs-synecdoche and rc://en/ta/man/translate/figs-litotes)

withheld his hand

"kept his hand to himself"

he has made the ramparts lament and the walls become feeble

"because he has destroyed the ramparts and walls, they look like people who lament and have lost their strength" (See: rc://en/ta/man/translate/figs-personification)

ramparts

Ancient cities had a main “wall” to keep attackers out, and an outer line of “ramparts” to keep attackers from the wall.