她是钻石会发光他是水晶会发亮
[tā shì zuàn shí huì fā guāng tā shì shuĭ jīng huì fā liàng]
Translates to 'She is a diamond that shines; he is a crystal that glows.' This compares individuals to precious stones, highlighting qualities such as brilliance, beauty, and uniqueness in people's characteristics.