1. She was born to... [dance].
2. He's a natural.
3. She could do it in her sleep.
4. He knows it inside out.
5. She knows [New York] like the back of her hand.
6. She's a walking encyclopedia of... [philosophy].
7. He's in a class of his own.
8. He's the best in the business.
9. She's very gifted.
10. He's a [chemistry] whiz.

Fact
During a typical human life span, the human heart will beat approximately 2.5 billion times      .. More >>