General Information:

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

In verses 3:11-13, Yahweh encourages the remnant of Israel who survive the judgment.

I will purify the lips of the peoples

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

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

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

This may refer to the area where Sudan is located today.

"When that happens ... at that time." These phrases here refer to the time of peace and restoration that immediately follows the day of Yahweh.

This can be stated in active form. AT: "will no longer be ashamed of all your deeds" (See: rc://en/ta/man/translate/figs-activepassive)

"all the people who are very proud"