复数：past masters
n.
someone who was formerly a master
someone who has long and thorough experience in a given activity
Past master
Past master
Past master
THE PAST MASTER
Past master 22John Hamilton Wicksteed
Past master 23 - James Cameron : history and heritage
Past Master of Psychological and Pedagogical Methods Impact
The Past Master Of Mysteries, She Built A Better Mousetrap
Past master : William George Brounger, father of the South African Railways
Past master : Hermann Schutte - designer of South Africa’s first lighthouse
Past Master: Louis Michel Thibault - ex-mercenary whose heritage enriched the Cape
America's Past Master: Thomas Sully Honored in a Major Exhibit at Milwaukee Art Museum
Gunners in Need of Another Mr Wright; Predator Michael Reminds Us of Past Master
