Often people would rip their clothes if they were in great distress. AT: "he ripped his clothes to show his distress" (See: [[rc://en/ta/man/translate/translate-symaction]])
The king uses this rhetorical question to emphasize that the request of the king of Aram is outrageous and something he cannot do. This can be written as a statement. AT: "The king of Aram must think I am some sort of God, with the power over death and life! He wants me to cure this man of his leprosy, but I cannot do that." (See: [[rc://en/ta/man/translate/figs-rquestion]])
The king of Israel did not believe the request to heal Naamam was the real reason for the letter. He thought the real reason was to start a fight. AT: "It seems he is looking for an excuse to start a fight with me" (See: [[rc://en/ta/man/translate/figs-explicit]])