the high standard that you expect from a person who is well trained in a particular job 专业水平;专业素质 great skill and ability 精湛的技艺;高超的技能;专长 the power and professionalism of her performance 她的表演的感染力和精湛技艺
the practice of using professional players in sport 职业化(在体育运动中使用职业运动员)