n.(帝俄的)皇帝,沙皇,独裁者,独揽大权者
He promised to appoint an AIDS czar to deal with the disease.
他许诺任命一位艾滋病大使来应对这种疾病。
The Czar government transported him to Siberia.
沙皇政府把他流放到西伯利亚.
He had become czar through regicide.
他通过弑君登上了沙皇宝座。