금지했지만

In a sentence

• 그가 술을 금지했지만 친구들은 계속해서 마셨습니다.

  He prohibited alcohol, but his friends kept drinking.

  In this sentence, '금지했지만' is used as a contrastive conjunction connecting the prohibition of alcohol with the ensuing action by the friends.

• 회사는 흡연을 금지했지만 몇몇 직원은 여전히 그것을 지켰습니다.

  The company prohibited smoking, but some employees still respected that.

  Here, '금지했지만' emphasizes the difference between the company's prohibition and certain employees' adherence to the ban.

• 선생님은 휴대폰 사용을 금지했지만 학생들이 다른 방법으로 공부에 집중하지 못했습니다.

  The teacher prohibited using mobile phones, but the students couldn't concentrate on studying in other ways.

  This sentence uses '금지했지만' to highlight the contrast between the teacher’s prohibition and the resulting academic behavior of the students.