是你陪伴我分享最开心的是你陪伴我走过最心痛的
[shì nĭ péi bàn wŏ fēn xiăng zuì kāi xīn de shì nĭ péi bàn wŏ zŏu guò zuì xīn tòng de]
It means 'You have been there with me to share the happiest moments, and also accompanied me through the most painful ones.' Expresses deep appreciation for someone who provides unwavering support, sharing all aspects of emotions - joy and sorrow alike. Reflects a strong bond between people.