NET
6 and then have committed apostasy, to renew them again to repentance, since they are crucifying the Son of God for themselves all over again and holding him up to contempt.
Darby
6 and have fallen away, crucifying for themselves [as they do] the Son of God, and making a show of [him].
KJV
6 If they shall fall away, to renew them again unto repentance; seeing they crucify to themselves the Son of God afresh, and put [him] to an open shame.