Berean Study Bible
I already warned you the second time I was with you. So now in my absence I warn those who sinned earlier and everyone else: If I return, I will not spare anyone,

King James Bible
I told you before, and foretell you, as if I were present, the second time; and being absent now I write to them which heretofore have sinned, and to all other, that, if I come again, I will not spare:

American Standard Version
I have said beforehand, and I do say beforehand, as when I was present the second time, so now, being absent, to them that have sinned heretofore, and to all the rest, that, if I come again, I will not spare;

Darby Bible Translation
I have declared beforehand, and I say beforehand as present the second time, and now absent, to those that have sinned before, and to all the rest, that if I come again I will not spare.

Douay-Rheims Bible
I have told before, and foretell, as present, and now absent, to them that sinned before, and to all the rest, that if I come again, I will not spare.

English Revised Version
I have said beforehand, and I do say beforehand, as when I was present the second time, so now, being absent, to them that have sinned heretofore, and to all the rest, that, if I come again, I will not spare;

Young's Literal Translation
I have said before, and I say it before, as being present, the second time, and being absent, now, do I write to those having sinned before, and to all the rest, that if I come again, I will not spare,