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                           general:: 
                            Phrase(s): I’m only looking. [and] I’m just looking. 
I am not a buyer, I am only examining your merchandise. (A phrase said to a shopkeeper or clerk who asks May I help you?)  •  Clerk: May I help you? Mary: No, thanks. I’m only looking.  •  Clerk: May I help you? Jane: I’m just looking, thank you.
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs