Here are some sentences.
He cut the sandwich with a sharp knife.
The knife was used in the murder.
Sure, here's a sentence using the word "knife": "I carefully used the sharp knife to slice through the ripe tomatoes for the salad."
He used the knife to incise the newspaper.
The cheap knife I bought broke and was a gimcrack.
Sure, here's a sentence using the word "knife": "I carefully used the sharp knife to slice the ripe tomatoes for the salad."
This man appears to have been stabbed in the abdomen with a knife.
A knife with a serrated edge will cut meat more easily.
The man used many different grindstones to sharpen his knife
In using a knife, use the part of the blade. = an imperative sentence.
You're parent has to give you permission before you use or touch a knife.
My trusty hunting knife has gotten me out of a few tight spots while camping.
He was able to skin the deer using his small knife. Her skin had turned red from the sun.
Camps will hone your skills in horseback riding and surviving in the wilderness. You must first hone the knife if you will use it in the kitchen.