One-track mind
01
일관된 마음, 집착
used of a person whose mind is busy with the thought of a particular person or thing and cannot think of anyone or anything else
Idiom
Informal
예시들
Whenever he starts a new hobby, he gets a one-track mind and immerses himself completely in it.
그가 새로운 취미를 시작할 때마다, 일관된 마음을 갖게 되고 완전히 그것에 몰두합니다.
