And not just because there are so many sharp knives around.

"It had been cut open with a very sharp knife."

I was going to go back to my room, find a sharp knife, and kill myself.

These days, a lady never knew when she'd need a good sharp knife.

Now you had what was known as a sharp knife.

We always walk over sharp knives, and that's something you can never get used to.

They saw a woman standing at a table, holding a long, sharp knife.

You can do this yourself with a very sharp knife.

That's how easy it is to put a sharp knife into a person.

Use a sharp, hot knife to cut off pieces just before using.