If you had a pick, which someone wears away the land - it's a harbinger of the unexpected blow from the corner that can befall you at any time, anywhere. Break pick something in a dream means that you will have to work hard to resolve the problem, which, except you will understand just a nobody.
If you dream you are using picks crushed into small pieces something big, such a dream alludes to the fact that something like you do for a living or just scheming to do it. It is not necessary to divide and try to grab a part of something, because it is fraught with bad ending.