King James Version
Now she that is a widow indeed, and desolate, trusteth in God, and continueth in supplications and prayers night and day.English Standard Version
She who is truly a widow, left all alone, has set her hope on God and continues in supplications and prayers night and day,New International Version
The widow who is really in need and left all alone puts her hope in God and continues night and day to pray and to ask God for help.