路路通不知道为什么，很可能是由于一种预感，使他觉得有点莫名其妙的担心。

Without knowing why - it was presentiment, perhaps - Passepartout became vaguely uneasy.

youdao

结果使极客（geek）梦想成真：创造性的人有很多事情可做，但门外汉则觉得有点莫名其妙。

The result is a geek’s dream: plenty for creative types to work on, but a bit baffling to the lay person.

youdao

我整天呆在家里，有时候我会对着电脑发呆，有点莫名其妙，可又不知道我能对着它干些什么。

I stay at home for most of time, sometimes I stare blankly at the computer, baffling and don't know what to do.

youdao

So again immediately on first glance, a little more arcane, there are some distracting details, these curly braces, the semicolon, the quotation marks.

第一眼扫过去，是不是有点神秘，有点繁琐，还有一些莫名其妙的大括号，分号和引号呢。

哈佛公开课 - 计算机科学课程节选