他用十年换你一生天真我用一生换你百载无忧
[tā yòng shí nián huàn nĭ yī shēng tiān zhēn wŏ yòng yī shēng huàn nĭ băi zăi wú yōu]
'Ta yong shi nian huan ni yi sheng tianzhen wo yong yi sheng huan ni bai zai wu you', means 'He spends ten years to preserve your innocence while I dedicate my whole life to ensure your peace and carefree spirit for centuries'. This phrase represents deep, selfless love or devotion to protect someone's purity and well-being, even at great personal cost.