1.   Anderson towered above it, carefully sharpening his knife.

2.   My mother used a special stone to sharpen kitchen knives.

3.   He started to sharpen his knife.

4.   While he sharpens his knife the priest arrives.

5.   And when its supporters refuse to address or acknowledge the problems, public frustration only serves to sharpen the knives.

6.   A good chef sharpens his knives.

7.   But I heard accounts of things like Tom Brokaw was sharpening knives for the interview.

8.   By the way, on the Fourth of July, I will sharpen my knife my way.

9.   He sharpened the knife, then laid it out with the fork on the sideboard.