배후로

In a sentence

• 그는 배후로 돌아가 문을 빠르게 잠갔다.

  He went behind and quickly locked the door.

  Here, '배후로' indicates going behind a physical object, in this case, the door.

• 사건의 배후로 큰 세력이 작용했다고 한다.

  It is said that a major force was acting behind the incident.

  Here, '배후로' figuratively refers to the driving force or background underlying an incident.

• 마을 배후로 산이 펼쳐져 있다.

  Behind the village, there is an expanse of mountains.

  In this example, '배후로' refers to the physical location situated behind the village, describing geography.