不可触知的

例句：

1. 1. The novel's plot was so complex that it was incomprehensible to most readers.
   这部小说的情节太复杂了，大多数读者都难以理解。
2. 2. The scientist explained the experiment to his students with great difficulty, but they were still incomprehensible.
   科学家用极大的努力向他的学生解释了实验，但他们仍然无法理解。
3. 3.Despite her best efforts, she found the math problem to be incomprehensible.
   尽管她尽了最大努力，但她发现这个数学问题难以理解。