en_tn/isa/30/25.md

Isaiah continues speaking to the people of Judah.

every high hill ... every high hill

The similar phrases emphasize that this will happen everywhere.

flowing brooks ... streams of water

The similar phrases emphasize that water will flow abundantly.

in the day of the great slaughter when the towers fall

"when Yahweh slaughters your enemies and causes their strong towers to fall"

The light of the moon will be like the light of the sun

AT: "The moon will become as bright as the sun. (See: rc://en/ta/man/translate/figs-simile)

the light of the sun will be seven times brighter, like the sunlight of seven days

AT: "the sun will shine as bright as seven suns" or "the sun will give as much light in one day as it normally does in seven days"