How to avoid turning the spokes while tuning the wheel When I tried to practice tuning my wheels, I found my spokes turn with the nipples. I tried to drop some lubricant on on the nipples, but I had the bike for two years now and there are a lot of dust clog in it. So the lubricant doesn't help too much. What can I do in this situation?
When I build/maintain wheels, I specifically make an extra quarter-turn to the nipple and then quarter-turn backward to release the rotational tension. This was recommended by Sheldon Brown

Lubing the spoke can help, but if your spokes are rusted, you might as well replace them with the new ones.