adj .
hard to understand ; understood by only a select few ; peculiar 난해한 ; 선택된 소수에게만 이해되는 ; 특별한

• Chicken wrestling and underwater yodeling were just two of Bob's _____ hobbies.
  닭싸움과 수중 요들송은 비밀에 부쳐진 밥의 취미 중 두 가지였다.
• The author's books were so _____ that no one except his mother ever bought any of them.