When every knife in the house is too dull to cut a carrot, it’s time to learn how to sharpen them. Yes, you can do it. It’s not a wilderness skill.
The folks at Serious Eats teach how to use a whetstone.
Jamie Oliver demonstrates a way to keep your knife sharp all the time!
Finally, an excellent document on steel qualities of a top-notch knife, just in case you are considering purchasing new cutlery.