esoteric
adj. 只有内行才懂的,难领略的;限于少数人的,限于小圈子的
例句
Various theories have been put forward, many focusing on esoteric ideas from theoretical physics.
人们已经提出了各种各样的理论,很多理论聚焦于来自理论物理学的深奥观点。
At the esoteric edge of the timekeeper's craft, they are too wobbly to keep time by themselves.
在这个原子钟的装置里,它们还是太不稳定了,不能靠自身确保时间。
Sergio: That sounds very esoteric.
塞吉奥:这听起来很玄妙。