He was a past master at manipulating the media for his own ends.

操纵媒体为自己服务他是老手。

She is an adept rock-climber and a past master of the obstacle course.

她擅长攀岩，也是障碍超越训练场上的老手。

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。

How to become stock past master?

怎样成为股票高手？

Very fast you can become past master.

很快你就会成为高手了。