Verse 4
They think it strange - Ξενιζονται· They wonder and are astonished at you, that ye can renounce these gratifications of the flesh for a spiritual something, the good of which they cannot see.
Excess of riot - Ασωτιας αναχυσιν· Flood of profligacy; bearing down all rule, order, and restraints before it.
Speaking evil of you - Βλασφημουντες· Literally, blaspheming; i.e. speaking impiously against God, and calumniously of you.