1
                           general:: 
                            Phrase(s): delve into something 
to examine or study something carefully; to enter into the examination or study of something.  •  He delved into the solution of the problem facing him.  •  I am just now delving into a study of the Trojan War.
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs