1
                           general:: 
                            Phrase(s): waver between someone and someone else 
to vacillate between choosing one person or another.  •  I had to appoint the new manager, and I was wavering between Jane and Janet.  •  We wavered between Bill and Bob for the position., Phrase(s): waver between something and something else 
to vacillate between choosing one thing and another; to linger indecisively between doing one thing or another.  •  The captain was wavering between St. Thomas and St. Croix.  •  We wavered between chocolate and vanilla.
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs