带着棒棒糖回到幼儿园深造
[dài zhe bàng bàng táng huí dào yòu ér yuán shēn zào]
Return to Kindergarten for Advanced Study With a Lollipop: A whimsical and humorous way of expressing nostalgia for simpler times, emphasizing childlike innocence and a desire for going back to a carefree time of learning.