Empress Ci Hei is just a short-name. Her full title is - oh I nearly forgot – "Empress Haau Jam Ci Hei Dyun Jau Hong Ji Ciu Jyu Zong Sing Sau Gung Jam Hin Sung Hei Pui Tin Hing Sing Hin".
「慈禧」係簡稱嚟㗎，全名係咩「孝欽慈禧端佑康頤昭豫莊誠壽恭欽獻崇熙配天興聖顯皇后」呀。