The present ruler, Prince Rainier III, succeeded to the throne on 9 May 1949.
现任元首，兰尼埃三世亲王于1949年5月9日继位。
He is the toughest military ruler yet and has responded harshly to any dissent
他是迄今最强硬的军事统治者，对任何异议都一律进行打压。
The ruler cracked and splintered into pieces
尺子裂开了，碎成了小片。
He was a weak-willed and indecisive ruler.
他是一位意志薄弱、优柔寡断的统治者。
All the citizens trusted him because he was a just ruler.
所有的市民都信任他，因为他是一位公正的统治者。