Berean Study Bible
And you know what is now restraining him, so that he may be revealed at the proper time.

King James Bible
And now ye know what withholdeth that he might be revealed in his time.

American Standard Version
And now ye know that which restraineth, to the end that he may be revealed in his own season.

Darby Bible Translation
And now ye know that which restrains, that he should be revealed in his own time.

Douay-Rheims Bible
And now you know what withholdeth, that he may be revealed in his time.

English Revised Version
And now ye know that which restraineth, to the end that he may be revealed in his own season.

Young's Literal Translation
and now, what is keeping down ye have known, for his being revealed in his own time,