MASTERY


Meaning of MASTERY in English

If you show ~ of a particular skill or language, you show that you have learned or understood it completely and have no difficulty using it.

He doesn’t have ~ of the basic rules of grammar...

N-UNCOUNT: oft N of n

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .