en_tn/jhn/07/10.md

General Information:

The setting of the story has changed, Jesus and his brothers are now at the festival.

when his brothers had gone up to the festival

These "brothers" were the younger brothers of Jesus.

he also went up

Jerusalem is at a higher elevation than Galilee where Jesus and his brothers were previously.

not publicly but in secret

These two phrases mean the same thing. The idea is repeated for emphasis. AT: "very secretly" (See: rc://en/ta/man/translate/figs-doublet)