New Living Translation
But Jesus sternly commanded the spirits not to reveal who he was.

American Standard Version
And he charged them much that they should not make him known.

Berean Study Bible
But He warned them sternly not to make Him known.

Douay-Rheims Bible
Thou art the Son of God. And he strictly charged them that they should not make him known.

English Revised Version
And he charged them much that they should not make him known.

King James Bible
And he straitly charged them that they should not make him known.

World English Bible
He sternly warned them that they should not make him known.

Young's Literal Translation
and many times he was charging them that they might not make him manifest.

Mark 3:12 Additional Translations ...