Machiavelli said in that famous chapter 25, that the prince, if he is lucky, will master fortuna about half the time, only about 50% of the time.

马基雅维利在有名的第25章里说，君主，如果他幸运的话，可以在一半的时间里掌握命运，仅仅是50%的时间。

耶鲁公开课 - 政治哲学导论课程节选

Definitely spend time to master this pattern and the other patterns,

一定要花时间掌握这个句型和其他句型哦，

It seems 课堂 - SpeakingMax英语口语达人

I served as Master of Silliman College for six years and during that time I would get up at 5 or 5:30 in the morning and start working.

我在西利曼学院当了六年院长,那时我会在早上五点或五点半起床,并开始工作

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He's playing with Freudian slips. Of course, what he's thinking about all the time is the master-slave game, and so here it comes out, when he's talking about his brother's diving: "He's a master diver. You really have to slave away at it."

他在开Freudian滑倒的玩笑，当然，他一直想的是,主人-奴隶的游戏，当谈到他兄弟的潜水时，他提到了：,“他是个跳水能手，你真得埋头苦干拼命练习这个了“

耶鲁公开课 - 1945年后的美国小说课程节选