NET
4 Marriage must be honored among all and the marriage bed kept undefiled, for God will judge sexually immoral people and adulterers.
Darby
4 [Let] marriage [be held] every way in honour, and the bed [be] undefiled; for fornicators and adulterers will God judge.
KJV
4 Marriage [is] honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.