这本书的内容有点深奥，我需要多读几遍才能明白。

Zhè běn shū de nèiróng yǒudiǎn shēn’ào, wǒ xūyào duō dú jǐ biàn cáinéng míngbai.

The content of this book is a bit profound; I need to read it several times to understand.

哲学的问题往往非常深奥，不同的人会有不同的理解。

Zhéxué de wèntí wǎngwǎng fēicháng shēn'ào, bùtóng de rén huì yǒu bùtóng de lǐjiě.

Philosophical questions are often very profound, and different people will have different understandings.

对于刚入门的学生来说，这门课的理论过于深奥。

Duìyú gāng rùmén de xuéshēng láishuō, zhè mén kè de lǐlùn guòyú shēn'ào.

For students who have just started, the theories in this course are too profound.