NET

4 For it is impossible in the case of those who have once been enlightened, tasted the heavenly gift, become partakers of the Holy Spirit,

Darby

4 For it is impossible to renew^D9038 again to repentance those once enlightened, and who have tasted of the heavenly gift, and have been made partakers^D9039 of [the] Holy Spirit,

Darby Bible Notes

renew - From kainos, as Eph. 2.15; 4.24. Not a renewal in the sense of change, but to make entirely new. partakers - 'Partakes,' ch. 5.13 is metecho. 'Partakers,' ch. 6.4, is metochos, see Note, ch. 2.14.

KJV

4 For [it is] impossible for those who were once enlightened, and have tasted of the heavenly gift, and were made partakers of the Holy Ghost,