I am quite sure grandpapa was wrong when he said that everything was useful.

我爷爷说什么都有的时候是错的。”

Well now, grandpapa, please to tell me of what use nettles are, for I cannot think that they are of the least use whatever.

“嗯，爷爷，您能告诉我，荨麻有什么吗，我觉得它们是最没的东西。”