en_tn/jer/10/14.md

has become stupid

"is lacking knowledge" or "is as ignorant as an animal"

Every metalworker is put to shame by his idols

This can be stated in active form. Alternate translation: "Every metalworker's idols put him to shame" or "As for every metalworker, his idols shame him" (See: rc://en/ta/man/jit/figs-activepassive)