# They will lift up their voices and shout the majesty of Yahweh

The phrase "lift up their voices" is an idiom that means to speak loudly. Alternate translation: "They will sing and shout about the majesty of Yahweh" (See: [[rc://en/ta/man/translate/figs-idiom]])

# They will

Here "They" refers to those who are still alive after Yahweh devastates the earth.

# and will joyfully shout from the sea

Here "the sea" refers to the Mediterranean Sea which is west of Israel. Alternate translation: "and those in the west towards the sea will shout with joy" (See: [[rc://en/ta/man/translate/figs-explicit]])