RobH_en_tn/1co/14/26.md

What is next then, brothers?

Paul uses a question to introduce the next part of his message. Alternate translation: "Because everything I have just told you is true, this is what you need to do, my fellow believers." (See: rc://en/ta/man/translate/figs-rquestion)

interpretation ... interpret

This means to tell what someone has said in a language to others who do not understand that language. See how "interpret" is translated in 1 Corinthians 2:13.