KJV - But these speak evil of those things which they know not: but what they know naturally, as brute beasts, in those things they corrupt themselves.
ASV - But these rail at whatsoever things they know not: and what they understand naturally, like the creatures without reason, in these things are they destroyed.
BBE - But these men say evil about such things as they have no knowledge of; and the things of which they have natural knowledge, like beasts without reason, are the cause of their destruction.
WEB - But these speak evil of whatever things they don't know. What they understand naturally, like the creatures without reason, in these things are they destroyed.
YLT - and these, as many things indeed as they have not known, they speak evil of; and as many things as naturally (as the irrational beasts) they understand, in these they are corrupted;