esoteric

US /ˌes.əˈter.ɪk/
UK /ˌes.əˈter.ɪk/
"esoteric" picture
1.

深奧的, 秘傳的, 只有少數人懂的

intended for or likely to be understood by only a small number of people with a specialized knowledge or interest.

:
The book was full of esoteric references that only a few scholars could understand.
這本書充滿了只有少數學者才能理解的深奧的引用。
His lectures often contained esoteric jokes that went over most people's heads.
他的講座中常有深奧的笑話,大多數人聽不懂。