（用于英国或英联邦政府的公函上）为女王（或英王）陛下效劳 OHMS is used on official letters from British or Commonwealth government offices. OHMS is the abbreviation for 'On Her Majesty's Service' or 'On His Majesty's Service'. （用于英国或英联邦政府的公函上）为女王（或英王）陛下效劳