NET
18 Because Christ also suffered once for sins, the just for the unjust, to bring you to God, by being put to death in the flesh but by being made alive in the spirit.
Darby
18 for Christ indeed has once suffered for sins, [the] just for [the] unjust, that he might bring us to God; being put to death in flesh, but made alive in [the] Spirit,
KJV
18 For Christ also hath once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but quickened by the Spirit: