Fools make a mock - The verb in the Hebrew is singular, the noun plural. The King James Version assumes that the number is altered to indivi…

Fools make a mock at sin.— Rather, perhaps, sin mocks fools (they miss the gratification they expected from it);…

Fools make a mock at sin
At sinful actions, their own or others; they make light of them, a jest of them, call evil …

Foolish and profane people consider sin a mere trifle, to be made light of rather than mourned over. Fools mock at the sin-offering, but those who …