# 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. Alternate translation: "I would speak all of my arguments" (See: [[rc://en/ta/man/translate/figs-metonymy]])