This use of the numbers "three" and "four" together here is likely a poetic device. AT: "There are four things that are never satisfied, who never say, 'Enough'" (See: [[rc://en/ta/man/translate/writing-poetry]])
Land that is no longer producing food because there has been no rain is spoken of as if it were a person who does not have enough water to drink. (See: [[rc://en/ta/man/translate/figs-personification]])
# scorns obedience to a mother
The word "obedience" is a metonym for the mother herself. It is also an abstract noun that can be stated as "obey." AT: "considers his mother worthless and will not obey her" (See: [[rc://en/ta/man/translate/figs-abstractnouns]] and [[rc://en/ta/man/translate/figs-metonymy]])
# his eyes ... the vultures
The writer says that the person will die by giving two pictures of what happens to people who die away from where people live.
# his eyes will be pecked out by the ravens of the valley
This can be translated in active form. AT: "the ravens of the valley will peck out his eyes" (See: [[rc://en/ta/man/translate/figs-activepassive]])