Here "listen" refers to obeying the warning. Alternate translation: "However, Amaziah would not obey Jehoash's warning" (See: [[rc://en/ta/man/translate/figs-metonymy]])
The armies of these kings went to battle with them. Alternate translation: "So Jehoash and his army went to fight Amaziah and his army and they met each other" (See: [[rc://en/ta/man/translate/figs-synecdoche]])