미만

In a sentence

• 우리 반 학생 중에 나이가 15세 미만인 학생이 몇 명 있나요?

  How many students in our class are under 15 years old?

  Here, '미만' is used to indicate 'under' or 'less than' in terms of age to specify a range that does not include the limit of 15.

• 이 영화는 18세 미만 관람 불가입니다.

  This movie is restricted to those under 18 years old.

  In this sentence, '미만' denotes age restriction for the movie. It specifically means individuals younger than 18.

• 미만 10명의 관객이 모이면 행사가 취소됩니다.

  If fewer than 10 participants gather, the event will be canceled.

  Here '미만' specifies the condition that the number of participants must be fewer than 10. It doesn't include 10 itself.