Past master
01
老手, 经验丰富的专家
an expert in a particular field with a great deal of experience
习语
非正式
语法信息
有生性状态
人类
形态构成
复合词
可数
复数形式
past masters
例子
She's a past master at handling difficult clients.
约翰是国际象棋的过去大师,他很少输掉比赛。
02
前大师, 荣誉大师
someone who was formerly a master



























