He has a Master's in Business Administration.
他获得了工商管理硕士学位。
She's a past master at getting what she wants.
她可是个精明的人，想要什么就能得到什么。
You need a good ear to master the piano.
弹好钢琴需要有敏锐的辨音能力。
My brother has a master's degree from Harvard.
我哥哥有哈佛大学的硕士学位。
It is clearly the work of a master craftsman.
很明显这是工艺大师的作品。