Job continues describing situations in which he would deserve God's punishment, but he knows they are not true. (See: [[rc://en/ta/man/translate/figs-hypo]])
Here "walking" represents moving slowly. Alternate translation: "the moon moving across the sky" (See: [[rc://en/ta/man/translate/figs-personification]])
The abstract noun "brightness" can be expressed with the words "bright" or "brightly." Alternate translation: "the bright moon moving across the sky" or "the moon moving brightly across the sky" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])