past master

例句：

1. 1. The past master ofthe martial arts was a legend in histime.
   这位武术大师是其时代传奇人物。
2. 2. He is a past master in hisfield and has many students who are nowsuccessful professionals.
   他在其领域是一位资深大师，现在有许多学生成为了成功的专业人士。
3. 3. Thepast master passed down his knowledge to hisapprentices, who then becamethe next generation of masters.
   这位大师将他的知识和技能传授给他的学徒，这些学徒随后成为新一代的大师。