King James Version
Withal praying also for us, that God would open unto us a door of utterance, to speak the mystery of Christ, for which I am also in bonds:English Standard Version
At the same time, pray also for us, that God may open to us a door for the word, to declare the mystery of Christ, on account of which I am in prison--Catholic Public Domain Version
Pray together, for us also, so that God may open a door of speech to us, so as to speak the mystery of Christ, (because of which, even now, I am in chains