who am I, who are you, etc. to do something?成語所屬單字whowho am I, who are you, etc. to do something?who am I, who are you, etc. to do something? — 慣用語慣用語1. This is used to question someone's right or authority to do something.1.慣用語釋義憑什麼做某事This is used to question someone's right or authority to do something.例句Who is she to tell us how to run our business?Who are they to decide what we can wear?