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                        1
                           general:: 
                           Also, dwell upon. Linger over; ponder, speak or write at length. For example, Let's not dwell on this topic too long; we have a lot to cover today. [c. 1500]
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        American Heritage Idioms
                    
                    
                    
                        2
                           general:: 
                           Phrase(s): dwell (up)on someone or something  to remain on the [important] subject of someone or something for a long time. (Upon is formal and less commonly used than on.)  •  I can’t dwell upon this subject anymore.  •  There is no need to dwell on Sarah further.
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        McGrawhill's American Idioms And Phrasal Verbs
                    
                    
                    
                        3
                           general:: 
                           Phrase(s): dwell (up)on something  to live on something, such as the planet Earth. (Upon is more formal than on.)  •  This is the largest turtle that dwells upon the earth.  •  Many creatures dwell on this earth.
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        McGrawhill's American Idioms And Phrasal Verbs