adj.无法理解的，难懂的

The instructions on this medication bottle are incomprehensible; I can't figure out how to take it properly.
这瓶药的说明真是难以理解，我都不知道该怎么正确服用。
The philosopher's theories were so abstract and incomprehensible that only a few scholars could grasp them.
这位哲学家的理论如此抽象和难以理解，只有少数学者能领会其含义。
The artist's abstract paintings left the audience with an incomprehensible sense of confusion and wonder.
艺术家的抽象画作让观众感到既困惑又惊奇，难以理解。
The foreigner's rapid speech was completely incomprehensible to the local residents.
外国人的快速讲话对当地居民来说完全无法理解。
The math problem was so complex that even the teacher found it incomprehensible at first glance.
这道数学题太复杂了，老师一眼看去也觉得难以理解。
The cryptic message from my friend was incomprehensible until I decoded it using a secret key.
朋友留下的神秘信息在我用秘密钥匙解码后才变得可以理解。
The engineer's technical jargon was incomprehensible to those without a background in engineering.
工程师的专业术语对于没有工程背景的人来说简直是天书。
The novel's plot twist was so unexpected and incomprehensible that it left readers scratching their heads.
这本小说的情节转折如此出人意料且难以理解，让读者们大惑不解。
The ancient hieroglyphics on the tomb walls were incomprehensible to the archaeologists, requiring years of study to decipher.
墓壁上的古老象形文字对考古学家来说是难以理解的，他们需要多年的研究才能解读。
The child stared at the incomprehensible equations, completely lost as to how to solve them.
孩子盯着这些看不懂的方程式，完全不知道该如何解答。