# lay my case ... fill my mouth

These two lines mean the same thing and emphasize Job's desire to explain his situation to God. (See: [[rc://en/ta/man/translate/figs-parallelism]])

# fill my mouth with arguments

Here "fill my mouth" refers to speaking. AT: "I would speak all of my arguments" (See: [[rc://en/ta/man/translate/figs-metonymy]])

# I would learn the words ... would understand

These two lines mean basically the same thing and emphasize Job's desire to hear God's answer. (See: [[rc://en/ta/man/translate/figs-parallelism]])