en_tn/jhn/15/27.md

You also must testify

Here "testify" means to tell others about Jesus. Alternate translation: "You also must tell everyone what you know about me" (See: rc://en/ta/man/translate/figs-explicit)

the beginning

Here the "beginning" is a metonym that means the first days of Jesus' ministry. Alternate translation: "from the very first days when I began teaching the people and doing miracles" (See: rc://en/ta/man/translate/figs-metonymy)