Most may remember how, wherever Chiang went, he was always accompanied by burly individuals in casual dress or suits, with short, neatly groomed hair and stern expressions. These were the men everyone referred to simply as the "Chihais," and their main mission was to assure the personal safety of the head of state 24 hours a day.
大多數人或許會記得，當經國先生到各地訪視，總有一些或穿便服，或著西裝的侍從人員隨行，西裝頭、體格壯碩，表情嚴肅，這便是他們了，大家簡稱他們為「七海」，主要的任務是二十四小時護衛元首的安全。