## by the blood of an eternal covenant ##

Possible meanings: 1) "God confirmed his eternal covenant with us by the blood" (see UDB) or 2) it was "by the blood of an eternal covenant" that Jesus became "our Lord" or 3) it was "by the blood..." that God "brought back" Jesus "from the dead."

## equip you...working in us ##

the author and the readers (See: [[rc://en/ta/man/translate/figs-you]] and [[rc://en/ta/man/translate/figs-inclusive]])