GOD'S WORD® Translation
But Peter kept knocking. When they opened the door, they were shocked to see him.

American Standard Version
But Peter continued knocking: and when they had opened, they saw him, and were amazed.

Berean Study Bible
But Peter kept on knocking, and when they opened the door and saw him, they were astounded.

Douay-Rheims Bible
But Peter continued knocking. And when they had opened, they saw him, and were astonished.

English Revised Version
But Peter continued knocking: and when they had opened, they saw him, and were amazed.

King James Bible
But Peter continued knocking: and when they had opened the door, and saw him, they were astonished.

World English Bible
But Peter continued knocking. When they had opened, they saw him, and were amazed.

Young's Literal Translation
and Peter was continuing knocking, and having opened, they saw him, and were astonished,

Acts 12:16 Additional Translations ...