zhè / duàn / gǎn / qíng / bù / guò / shì / yī / yè / lù / shuǐ / tiān / liàng / hòu / jiù / gè / zì / sàn / le

这段感情不过是一夜露水，天亮后就各自散了。

This relationship was just a fleeting one-night affair; after dawn, everyone went their separate ways.