esoteric
adjective
UK/ˌiː.səˈter.ɪk/
US/ˌes.əˈter.ɪk/
Definitions of esoteric adjective
Intended for or understood by only a small number of people with specialized knowledge or interest; difficult to understand.
極為深奧難懂的； 僅有少數人（尤指內行）才懂的；圈內人才明白的。
Many concepts in this academic field are esoteric to outsiders.
這個學術領域中的許多概念對外行人來說極為深奧。
She has a keen interest in esoteric philosophical theories.
她對深奧的哲學理論有著濃厚的興趣。
The restaurant is known for its esoteric menu and unique cooking methods.
這家餐廳以其深奧的菜單和獨特的烹飪方法而聞名。