These men are like irrational animals, creatures of instinct, born to be captured and destroyed. They blaspheme in matters they do not understand, and like such creatures, they too will be destroyed.
KJV
But these, as natural brute beasts, made to be taken and destroyed, speak evil of the things that they understand not; and shall utterly perish in their own corruption;
ASV
But these, as creatures without reason, born mere animals to be taken and destroyed, railing in matters whereof they are ignorant, shall in their destroying surely be destroyed,