如果时光可以倒流我愿回到你的身边
[rú guŏ shí guāng kĕ yĭ dăo liú wŏ yuàn huí dào nĭ de shēn biān]
This nickname translates to 'If time could rewind, I wish to return to you.' It signifies a deep longing for the past, a regret or nostalgia for a lost love or relationship, wishing to go back in time.