Czar
01
a person who holds exceptional power or influence in a particular field
比喻
语法信息
例子
The studio czar approved every major production.
02
a male monarch or emperor (especially of Russia prior to 1917)
例子
Alexander II became czar in the nineteenth century.
03
an official given broad authority to coordinate government policy in a particular area
非正式
例子
The president appointed a cybersecurity czar.
