1
                           general:: 
                            Phrase(s): go at one another tooth and nail
Fig. to fight one another like animals. (One another can also be each other.)  •  The man and his wife went at one another tooth and nail.  •  The children would go at one another tooth and nail almost every evening.
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs