Here Nebuchadnezzar represents his army. Alternate translation: "that the army of Nebuchadnezzar king of Babylon" (See: [[rc://en/ta/man/translate/figs-metonymy]])
This refers to the fourth year of Jehoiakim's reign. This can be stated clearly. Alternate translation: "in the fourth year of the reign of Jehoiakim" (See: [[rc://en/ta/man/translate/figs-explicit]])