mastery /ˈmɑ:stəri/ n. [u] 精通，熟练，掌握：He shows complete mastery of his chosen subject. 他精通自己选择的那门科目。It takes years to gain a mastery of Japanese.掌握日语要花几年时间。He plays the violin with technical mastery, but no feeling.他拉小提琴的技术十分娴熟，却没有感情。