english
                    
                    
                    
                        1
                           general:: 
                           Phrase(s): Fool me once, shame on you; fool me twice, shame on me.  Prov. After being tricked once, one should be wary, so that the person cannot trick you again.  •  Fred: Would you like a can of peanuts? Jane: The last can of peanuts you gave me had a toy snake in it. Fred: This one really is peanuts. Jane: Fool me once, shame on you; fool me twice, shame on me.
                           
                           
                           
                           
                        
    
                       
                    
                        
                        
                        
                    
 
                    
                        McGrawhill's American Idioms And Phrasal Verbs