“The evil consequences of what they had earned will become apparent to them, and that which they used to ridicule will engulf them.”

“The evil consequences of what they had earned will become apparent to them”—that is, the things that will distress them because of their deeds and what they earned. “And that which they used to ridicule will engulf them”—namely, the threatened punishment that will descend upon them and the penalty that will befall them.