你许我一生欢颜我许你一世安好
[nĭ xŭ wŏ yī shēng huān yán wŏ xŭ nĭ yī shì ān hăo]
'You promise me a lifetime of happiness; I promise you peace for all my life', signifies mutual commitments to each other where both parties offer lifelong promises of joy and serenity.