今时今日早已失了单纯模样
[jīn shí jīn rì zăo yĭ shī le dān chún mó yàng]
It expresses nostalgia for innocence lost over time. This name suggests that with passing time, people may lose their childlike or innocent nature as they gain more experiences, implying sadness or resignation about this transition from naivety to worldliness.