Only here in the New Testament. Lit., good speaking. The compounded adjective χρης τός is used rather in its secondary sense of mild, pleasant. So Rev., smooth speech.
Deceive (ἐξαπατῶσιν)
Better, as Rev., beguile. It is not merely making a false impression, but practically leading astray
Simple (ἀκάκων)
Only here and Heb 7:26. Lit., not evil. Rev., innocent. Bengel says: “An indifferent word. They are called so who are merely without positive wickedness, when they ought to abound also in prudence, and to guard against other men's wickedness.”