New Living Translation
For people like that have turned away from the truth, and their own sins condemn them.

American Standard Version
knowing that such a one is perverted, and sinneth, being self-condemned.

Berean Study Bible
knowing that such a man is corrupt and sinful; he is self-condemned.

Douay-Rheims Bible
Knowing that he, that is such an one, is subverted, and sinneth, being condemned by his own judgment.

English Revised Version
knowing that such a one is perverted, and sinneth, being self-condemned.

King James Bible
Knowing that he that is such is subverted, and sinneth, being condemned of himself.

World English Bible
knowing that such a one is perverted, and sins, being self-condemned.

Young's Literal Translation
having known that he hath been subverted who is such, and doth sin, being self-condemned.

Titus 3:11 Additional Translations ...