proficient
🇺🇸
/prəˈfɪʃnt/
🇬🇧
/prəˈfɪʃnt/
adjective
R
very good at doing something because you have learned and practiced it
She is proficient in three languages and can speak them fluently.
그녀는 세 가지 언어에 능숙하며, 그것들을 유창하게 말할 수 있습니다.
translation
능숙한, 숙련된