# the life was made known

This can be stated in active form. Alternate translation: "God made the eternal life known to us" or "God made us able to know him, who is eternal life" (See: [[rc://en/ta/man/translate/figs-activepassive]])

# we have seen it

"we have seen him"

# we bear witness to it

"we solemnly tell others about him"

# the eternal life

Here, "the eternal life" refers to the one who gives that life, Jesus. Alternate translation: "the one who enables us to live forever" (See: [[rc://en/ta/man/translate/figs-metonymy]])

# which was with the Father

"who was with God the Father"

# and which has been made known to us

This was when he lived on earth. Alternate translation: "and he came to live among us" (See: [[rc://en/ta/man/translate/figs-activepassive]])