一朝一夕一相伴一生一世一双人
[yī cháo yī xī yī xiāng bàn yī shēng yī shì yī shuāng rén]
A romantic phrase meaning 'Together day by day, night by night, accompanying each other through our lifetimes'. It expresses commitment, dedication, and an eternal bond between two people—a timeless love relationship that persists through every moment of life.