having a good conscience; that, while you are spoken against as evildoers, they may be disappointed who curse your good manner of life in Christ.
That falsely accuse your good conversation in Christ - Your good conduct as Christians. They may accuse you of insincerity, hypocrisy, dishonesty; of being enemies of the state, or of monstrous crimes; but the time will come when they will see their error, and do you justice. See the notes at 1 Peter 2:12.