我愿做你岁月里无悔的渡人
[wŏ yuàn zuò nĭ suì yuè lĭ wú huĭ de dù rén]
'I am willing to be your guide without regret for all the years.' It conveys a deep and selfless dedication to being supportive and guiding someone they care about through life, no matter how challenging it might be.