성인이라고

In a sentence

• 그는 성인이라고 책임을 져야 한다.

  He must take responsibility because he is an adult.

  The phrase '성인이라고' here emphasizes that he is categorized as an 'adult', implying responsibility.

• 내 친구는 자신이 성인이라고 늦게까지 밖에 나가 있다.

  My friend stays outside late at night, claiming to be an adult.

  '성인이라고' in this sentence is used to express the assertion made by the friend that they are an adult, thus justifying their actions.

• 성인이라고 모두가 성숙한 행동을 하는 것은 아니다.

  Not everyone acts maturely just because they are adults.

  Here, '성인이라고' conveys the conditional notion of being considered an adult while highlighting a contrast.