RobH_en_tn/zep/03/09.md

General Information:

In verses 3:9-10, Yahweh says that he will renew the Gentiles after the judgment.

I will purify the lips of the peoples

Here "lips" refers to the ability to speak. Alternate translation: "I will cause the peoples to speak what is right" (See: rc://en/ta/man/translate/figs-metonymy)

call upon the name of Yahweh

This is an idiom that means they worship Yahweh. Alternate translation: "worship Yahweh" (See: rc://en/ta/man/translate/figs-idiom)

serve him shoulder to shoulder

Here "shoulder to shoulder" is an idiom that means "side by side." (See: rc://en/ta/man/translate/figs-idiom)