en_tn/luk/01/21.md

Meanwhile

This could be translated as "And" or "While the angel and Zechariah were talking."

wondering why he stayed so long in the temple

This could also be translated with a direct quote: "They wondered, 'Why is he staying so long in the temple?'" (See: rc://en/ta/man/translate/figs-quotations)

came out

This could be translated as "came out of the temple building."