If we sin wilfully (ekousiw amartanontwn hmwn). Genitive absolute with the present active participle of amartanw, circumstantial participle here in a conditional sense. After that we have received (meta to labein). "After the receiving" (accusative case of the articular infinitive second aorist active of lambanw after meta). Knowledge (epignwsin). "Full knowledge," as in Romans 6:4 . There remaineth no more (ouketi apoleipetai). "No longer is there left behind" (present passive indicative as in Romans 4:9 ), for one has renounced the one and only sacrifice for sin that does or can remove sin ( Romans 10:1-18 ).