mastering
v.v. learning a skill or a language so well that you have no trouble using it. It means becoming an expert at something through practice.
v. the present participle of 'master'; refers to the process of gaining complete knowledge or skill in a specific subject or activity.
She is mastering the art of French cooking.
Mastering a new language requires consistent daily practice and a willingness to make mistakes in front of others.
While basic proficiency can be achieved in a few months, mastering the nuances of classical piano often demands a lifetime of dedicated study and performance.
Often functions as a gerund or a participial adjective; when used as a verb, it is transitive and requires a direct object.
He is mastering in EnglishHe is mastering EnglishThe verb 'master' is transitive and takes a direct object without the preposition 'in'.