New American Standard Bible (©1995)
Now I urge you, brethren, keep your eye on those who cause dissensions and hindrances contrary to the teaching which you learned, and turn away from them.
King James Bible
Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.
Darby Bible Translation
But I beseech you, brethren, to consider those who create divisions and occasions of falling, contrary to the doctrine which ye have learnt, and turn away from them.
English Revised Version
Now I beseech you, brethren, mark them which are causing the divisions and occasions of stumbling, contrary to the doctrine which ye learned: and turn away from them.
Online Parallel Bible