He is a past master at bridge.
She's a past master at getting what she wants.
She is an adept rock-climber and a past master of the obstacle course.
He was a past master at manipulating the media for his own ends.
After working in the factory for 35 years, this veteran worker is a past master in his line.
Yingying is that the Tibet antelope , his skill are agile , five rings being a track and field past master , representing Olympics are hit by one ring of yellow.
