想你天长地久陪你海枯石烂
[xiăng nĭ tiān zhăng dì jiŭ péi nĭ hăi kū shí làn]
'Missing You for Eternity and Promising to Be with You until the End of Time' - It expresses the idea of unwavering, eternal affection or longing for someone, symbolizing that one will always miss and be with this special someone no matter how long it takes. It’s an expression of deep and everlasting devotion.