경찰청장은

In a sentence

• 경찰청장은 시민의 안전을 책임지는 중요한 역할을 합니다.

  The commissioner of the police department plays an important role in ensuring the safety of citizens.

  In this sentence, '경찰청장' refers to the official role of the police commissioner responsible for public safety.

• 새롭게 임명된 경찰청장은 범죄 예방에 중점을 둘 것이라고 발표했습니다.

  The newly appointed police commissioner announced that they will focus on crime prevention.

  Here, '경찰청장' denotes the individual recently appointed to the role of police commissioner.

• 지난해 경찰청장은 여러 지역을 순찰하며 경찰 활동에 대해 설명했습니다.

  Last year, the police commissioner patrolled various areas, explaining police activities.

  This usage of '경찰청장' highlights a specific period and actions undertaken by the police commissioner.