《资治通鉴·唐纪·唐纪五十六》
他站起身来，走到院子中向外聆听，听到李军在发布号令说： 常侍传话。 
起，听于廷，闻愬军号令曰： 常侍传语！ 
He stood up and walked to the courtyard to listen outside. He heard Li's army issuing an order: "The Chief Attendant has a message."