be at home
US /bi æt hoʊm/
UK /bi æt hoʊm/

1.
편안함을 느끼다, 익숙해지다
to be comfortable and relaxed in a particular place or situation
:
•
She always feels at home when she visits her grandmother's house.
그녀는 할머니 댁에 가면 항상 편안함을 느낀다.
•
Even though it was a new city, he quickly began to feel at home.
새로운 도시였지만, 그는 금방 편안함을 느끼기 시작했다.
2.
능통하다, 익숙하다
to be knowledgeable or proficient in a particular subject or area
:
•
He's an expert in ancient history; he's really at home with the subject.
그는 고대사 전문가라서 그 주제에 정말 능통하다.
•
She's always been at home with numbers and complex calculations.
그녀는 항상 숫자와 복잡한 계산에 능숙했다.