tā / men / zài / hǎi / biān / xǔ / xià / le / shān / méng / hǎi / shì / jué / dìng / yǒng / yuǎn / xiāng / ài

他们在海边许下了山盟海誓，决定永远相爱。

They pledged eternal love by the sea and decided to love each other forever.