autocrat
n.独裁者(ruler, tyrant)
aristocrat
n.贵族（nobleman）
In ancient times, education was confined to aristocrats.
在古代，教育仅限于贵族。
radical
adj.根本的，基本的；激进的(utmost)
His ideas seem to be radical even in the 21st century.
他的思想即使在21世纪似乎也很激进。
conservative
adj.保守的，守旧的 n.保守派
The researchers made a conservative guess at the population of Tokyo.
研究人员对东京人口做了一个保守估计。
minister
n.部长，大臣
Six ministers got together to tackle the issue of inadequate funding to students from poor families.
六名部长聚首，共同解决贫困家庭学生资金不足的问题。
general
n.将军(commander)
The general commanded his men to advance.
将军命令部下前进。
envoy
n.外交使节，特使(delegate)
He was the most senior envoy in the diplomatic mission.
他是外交使团中最资深的特使。
ambassador
n.大使
He was appointed ambassador to Australia.
他被任命为驻澳大利亚大使。
consul
n.领事
He is the consul for education in the Consulate-General in Shanghai.
他是驻上海总领事馆的教育领事。
professor
n.教授
lecturer
n.演讲者；讲师
dean
n.(大学)院长
director
n.主任
He is one of the directors of the company.
他是公司的董事之一。
chancellor
n.大学校长;大臣；首席法官
In Britain the Chancellor of the Exchequer deals with taxes and government spending.
在英国，财政大臣处理税收和政府开支的问题。