Hi TheCaptain,
The problem is probably the shears, what make are they?
All new shears are only fit for dagging really, most blade shearers set their own shears and grind them until razor sharp.
If you are shearing a lot of sheep then the shears could do with setting, I could give you instructions.
The best way to sharpen shears for doing a few is a quite coarse oil stone to keep a flat edge.
Hope this helps,
Philip