科学家们卖弄莫测高深的专业术语；
当然我们不知世事的女孩子，莫测高深。
这两种过时的分类法，其缺陷与莫测高深之处迷惑困扰着历代图书馆用户。
The inadequacies and vagaries of these two outdated schemes have bewildered and frustrated generations of library users.
就像一些骗子，不故弄玄虚，说些令人莫测高深的话，又如何叫人完全信服呢？
Just like some cheaters, if they don't make themselves profound and deceitful, how do others believe them?
外表上，他开朗、朴实和坦率，然而，又令人莫测高深。他的全部性格是难以捉摸的。
On the surface, he appeared open, simple and frank, yet he defied analysis and his whole character was elusive.
我的老师又说：「道在沉寂状态时，祂如深渊般莫测高深，也像平静的湖水一般晶莹剔透。
My teacher said "While Tao get silent it is unfathomable like the abyss and peaceful like the crystal clear lake."
我们中谁没有在某个接待室里做过，眼睛盯着那扇含有各种各样可能性的莫测高深的门板？
Which one of us has not sat in some anteroom and watched the inscrutable panels of a door that was full of meaning ?
我们中谁没有在某个接待室里做过，眼睛盯着那扇含有各种各样可能性的莫测高深的门板？
Which one of us has not sat in some anteroom and watched the inscrutable panels of a door that was full of meaning ?
应用推荐