In the audience of the people - In the hearing of the people.
Matthew Henry
Concise Bible Commentary
Servants should study to endear themselves to their masters. Masters ought to take particular care of their servants when they are sick. We may still, by faithful and fervent prayer, apply to Christ, and ought to do so when sickness is in our families. The building places for religious worship is a good work, and an instance of love to God and his people. Our Lord Jesus was pleased with the centurion's faith; and he never fails to answer the expectations of that faith which honours his power and love. The cure soon wrought and perfect.