english
                    
                    
                    
                        1
                           general:: 
                           Phrase(s): I don’t rightly know.  Rur. I do not know.  •  Tom: When will Joe be getting back? Charlie: I don’t rightly know.  •  Jane: What’s the difference between a first cousin and a first cousin once removed? Mary: I don’t rightly know.
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        McGrawhill's American Idioms And Phrasal Verbs