mastery
🇺🇸
/ˈmæstəri/
🇬🇧
/ˈmɑːstəri/
great skill or knowledge in something
Her mastery of the piano impressed everyone at the concert.
她對鋼琴的精湛技藝給音樂會上的每個人留下了深刻印象。
complete control or power over something
He gained mastery over his fears through practice.
透過練習,他完全掌控了自己的恐懼。