closely guarded
adjective phrase1 연어평균 빈도: 8.5
철저히 지켜지는 비밀
Used to describe a secret that is kept very securely and is known by very few people.
매우 조심스럽게 보호되는 비밀
철저히 지켜지는 비밀
Used to describe a secret that is kept very securely and is known by very few people.
매우 조심스럽게 보호되는 비밀