tzar
n. 沙皇；皇帝；独揽大权者（等于 czar）
例句
The Tzar Nicholas I of Russia (1825-1856) was also becoming aggressive and pressing southward upon the Turkish Empire with his eyes on Constantinople.
俄国沙皇尼古拉一世(1825 - 1856年)也变得侵略成性，一边向南进逼土耳其帝国，一边对君士坦丁堡虎视眈眈。
