这是你给我的承诺这是我给你的诺言
[zhè shì nĭ jĭ wŏ de chéng nuò zhè shì wŏ jĭ nĭ de nuò yán]
This translates into promises given to each other. It indicates seriousness in some relationship, possibly implying trust, responsibility and a desire for binding promises between both sides.