他说承诺我一生我说承诺她一生
[tā shuō chéng nuò wŏ yī shēng wŏ shuō chéng nuò tā yī shēng]
This conveys a story of conflicting promises: 'He promised me forever, and I promised her forever'. It reflects the emotional entanglements and complications that can arise from these commitments.