Granny dancing like what, what is the old grandfather dancing like

Grandma dance like a flexible girl, the hands of the fan up and down, like a fluttering butterfly, grandpa dance like a young man, children learn to dance like grandma a busy, haha is like learning to walk like really interesting. Grandpa danced with spirit, as if a spiritual actor. Children learn to dance like the grandmother, haha, like a little penguin is really funny.