The idiom "be my guest" is a polite and accommodating expression used to grant permission or give someone approval to do something. It is often used when one person is inviting or allowing another person to take a particular action. While the exact historical origin of this idiom is not precisely documented, it is a widely recognized and commonly used phrase to convey willingness to allow or support someone's request.

What is the origin of the idiom "be my guest" and when to use it?

Définition et signification de « be my guest » en anglais

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