the oldest trick in the book

== English == === Phrase === the oldest trick in the book A method of deception or trickery that has been overused so many times before that it should therefore be well-known or remain as common knowledge to everyone. === Further reading === “the oldest trick in the book”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “the oldest trick in the book”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present. “the oldest trick in the book” (US) / “the oldest trick in the book” (UK) in Macmillan English Dictionary. “it's the oldest trick in the book”, in Collins English Dictionary.