who am I, who are you, etc. to do something?idiomPart ofwhowho am I, who are you, etc. to do something?who am I, who are you, etc. to do something? — idiomidiom1. This is used to question someone's right or authority to do something.1.idiomDefinitionThis is used to question someone's right or authority to do something.ExampleWho is she to tell us how to run our business?Who are they to decide what we can wear?