sharp as a tack in a sentence

Examples

1. I was sick in bed, but my mind is sharp as a tack.
2. I've met Linda Malone, and she's sharp as a tack.
3. "John's still sharp as a tack, " said Brister.
4. Still, his mind was sharp as a tack, the sheriff and attorney said.
5. We ate lunch at Catfish King recently, and he was still sharp as a tack.
6. Adams _ Sharp as a tack.
7. He was sharp as a tack with all his pitches and he has been all spring.
8. He is sharp as a tack when it came to those things  truly impressive ."
9. He was well dressed, as usual, and appeared sharp as a tack, as usual.
10. After describing Kerlin as " a charming man, and sharp as a tack,"