The phrase "poring over" means to read or study something very carefully and with great attention. When someone is poring over a book, a document, or any other material, they are focused and trying to understand or remember the information it contains.
In more advanced contexts, "poring over" can be used to describe a detailed analysis or careful consideration of complex subjects, such as legal documents, scientific studies, or historical texts.
While "poring over" itself is a specific phrase, it can be used in idiomatic expressions related to studying or researching, but there are no widely recognized idioms that directly include "poring over."
In summary, "poring over" is a phrase that describes the action of reading something very carefully with the intention of understanding or remembering it.