"the boy's voice." Here "voice" stands for the sound of the boy crying or speaking. AT: "the sound of Ishmael" (See: [[rc://en/ta/man/translate/figs-metonymy]])
Here "voice" stands for the sound of the boy crying or speaking. AT: "the sound of the boy lying over there" (See: [[rc://en/ta/man/translate/figs-metonymy]])
To make Ishmael into a great nation means God will give him many descendants who will become a great nation. AT: "I will make his descendants become a great nation" or "I will make him become the ancestor of a great nation" (See: [[rc://en/ta/man/translate/figs-metonymy]])