Acts 12:13
When he knocked at the wicket in the door, a maidservant named Rhoda came to answer the knock;
Luke 13:25
As soon as the Master of the house shall have risen and shut the door, and you have begun to stand outside and knock at the door and say, "'Sir, open the door for us' --"'I do not know you,' He answers; 'you are no friends of mine.'
John 18:16-17
But Peter remained standing outside the door, till the disciple who was acquainted with the High Priest came out and induced the portress to let Peter in.
Acts 12:16
Meanwhile Peter went on knocking, until at last they opened the door and saw that it was really he, and were filled with amazement.