被懵懂掩埋的曾经
[bèi mĕng dŏng yăn mái de céng jīng]
Translates as 'The Past Buried by Naivety.' It evokes a sense of retrospection on how innocence and youthful ignorance overshadowed certain experiences, emotions, and realizations. There may have once been some regrettable things hidden behind naivete, only remembered after reaching a certain maturity.