King James Version
Long time therefore abode they speaking boldly in the Lord, which gave testimony unto the word of his grace, and granted signs and wonders to be done by their hands.English Standard Version
So they remained for a long time, speaking boldly for the Lord, who bore witness to the word of his grace, granting signs and wonders to be done by their hands.Catholic Public Domain Version
And so, they remained for a long time, acting faithfully in the Lord, offering testimony to the Word of his grace, providing signs and wonders done by their hands