en_tn_condensed/luk/02/46.md

It came about that

This phrase is used here to mark an important event in the story. If your language has a way for doing this, you could consider using it here.

in the temple

This refers to the courtyard around the temple. Only the priests were allowed in the temple. Alternate translation: "in the temple courtyard" or "at the temple" (See: rc://en/ta/man/translate/figs-explicit)

in the middle of

This does not mean the exact center. Rather, it means "among" or "together with" or "surrounded by."

the teachers

"the religious teachers" or "those who taught people about God"