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                        1
                           general:: 
                           1. Enter somewhere or something; Also fit inside something. For example, Don't go into this building, or The tractor is too big to go into the shed. [c. A.D. 1000] 2. Enter a particular state or condition, as in She's about to go into hysterics, or I'm afraid he went into a coma. [Second half of 1600s] 3. Enter a profession or line of work, as in She decided to go into politics. [Early 1800s] For synonyms, see GO IN FOR, def. 2; TAKE UP. 4. Investigate or discuss, especially in detail. For example, We haven't time to go into the entire history of the project. [Early 1800s]  Also see  ENTER INTO, def. 4.  Also see  the subsequent entries beginning with GO INTO.
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        American Heritage Idioms
                    
                    
                    
                        2
                           general:: 
                           Phrase(s): go into something  1. and go in Lit. to enter something; to penetrate something.  •  The needle went into the vein smoothly and painlessly.  •  It went in with no trouble. 2. Fig. to enter some line of business or a profession.  •  He went into accounting when he got out of college.  •  I want to prepare to go into law enforcement. 3. Fig. to examine or study something; to discuss and explain something. (See also go there.)  •  I need to go into this more.  •  When we have time, we need to go into this question more thoroughly.
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        McGrawhill's American Idioms And Phrasal Verbs