This metaphor means that Rehoboam is more cruel and intimidating than his father. AT: "What I will do to make your burden heavier is much more than what my father put on you" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This metaphor means that the punishment Rehoboam plans to give will be worse than what his father gave. AT: "My father used whips to force you to work but I will use even crueler punishment" (See: [[rc://en/ta/man/translate/figs-metaphor]])