以我之姓冠你之名以你之姓冠我之名
[yĭ wŏ zhī xìng guān nĭ zhī míng yĭ nĭ zhī xìng guān wŏ zhī míng]
Take my family name and use your given name; take your family name and use my given name. Represents deep connection and merging as a sign of unity, often reflecting intentions toward matrimony or serious commitment