en_tn/job/21/24.md

His body is full of milk ... the marrow of his bones is moist

Both of these phrases mean that the person is very healthy. (See: rc://en/ta/man/jit/figs-parallelism)

His body is full of milk

The word for "milk" may mean "fat." Either rendering means he is well-fed. Alternate translation: "His body if full of fat" (See: rc://en/ta/man/jit/figs-idiom)

the marrow of his bones is moist

This idiom means his body is youthful and healthy. (See: rc://en/ta/man/jit/figs-idiom)