时光不允许我回头忏悔
[shí guāng bù yŭn xŭ wŏ huí tóu chàn huĭ]
'时光不允许我回头忏悔' translates to 'Time Does Not Allow Me to Turn Back and Repent.' It expresses regret and resignation to the irreversible flow of time, where mistakes or missed opportunities cannot be undone. It speaks to the bittersweet nature of moving forward despite past wrongs.