proficiency
🇺🇸
/prəˈfɪʃnsi/
🇬🇧
/prəˈfɪʃnsi/
noun
R
being very good at doing something because you have learned and practiced it
His proficiency in playing the piano comes from years of daily practice.
그의 피아노 연주 능숙함은 수년간의 매일 연습에서 비롯됩니다.
translation
숙련；정통
어형 변화
Plural
proficiencies