Wonder not at the burning which is among you — This is the literal meaning of the expression. It seems to include both martyrdom itself, which so frequently was by fire, and all the other sufferings joined with, or previous to, it; which is permitted by the wisdom of God for your trial. Be not surprised at this.
Related Commentaries of 1 Peter 4:12
1 Peter 4:12
12 Beloved, think it not strange concerning the fiery trial which is to try you, as though some strange thing happened unto you: