take a leaf out of someone's book
📑 take a leaf out of someone's book
Concrete Meaning
To copy what someone else does or imitate their behavior because they have been successful at it.
💬 Context & Examples
Used in mentoring, strategy, or self-improvement when adopting best practices from someone else.
- "You should take a leaf out of Sarah's book and start organizing your tasks the night before."
- "Our competitor is doing incredibly well with social media; we might need to take a leaf out of their book."
🧠 Pattern Challenge
Test Yourself
In old English, "leaf" was another word for a page. If you literally tear a page out of someone else's book, what are you doing with their instructions?
Show Answer
You are taking their exact written steps and keeping them for yourself. Metaphorically, you are borrowing their formula for success.