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                           general:: 
                            Phrase(s): in league (with someone) 
Fig. [of people] secretly cooperating, often to do something bad or illegal.  •  The county sheriff is in league with criminals.  •  The car thieves and some crooked police are in league to make money from stolen cars.
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs