伴我久久可好伴你天荒地老
[bàn wŏ jiŭ jiŭ kĕ hăo bàn nĭ tiān huāng dì lăo]
It translates to 'Stay long with me, will you? Stay with you till earth and sky grow old', indicating a deep hope or promise of a long-lasting relationship. It's romantic, suggesting that two hearts meet under destiny and both sides have the deepest commitment to cherish this love together from start to end.