n.精通；掌握；熟练；控制
Her mastery of economic theory impressed the professors. 她对经济理论的精通给教授们留下了深刻的印象。
He demonstrated a mastery of Arabic. 他显示了对阿拉伯语的精通。
It takes years to gain a mastery of Japanese. 掌握日语要花几年时间。
He has acquired mastery of French. 他已掌握了法语。
The too early insistence on mastery may discourage students. 过早强调熟练掌握会使学生丧失信心。
Which side will get the mastery? 哪一方将获得控制权？
n.自制；克己
