From pros and kartereo; to be earnest towards, i.e. (to a thing) to persevere, be constantly diligent, or (in a place) to attend assiduously all the exercises, or (to a person) to adhere closely to (as a servitor) -- attend (give self) continually (upon), continue (in, instant in, with), wait on (continually).
KJV: These all continued with one accord in prayer and supplication, with the women, and Mary the mother of Jesus, and with his brethren.
NASB: These all with one mind were continually devoting themselves to prayer, along with the women, and Mary the mother of Jesus, and with His brothers.
KJV: And they, continuing daily with one accord in the temple, and breaking bread from house to house, did eat their meat with gladness and singleness of heart,
NASB: Day by day continuing with one mind in the temple, and breaking bread from house to house, they were taking their meals together with gladness and sincerity of heart,