曾经我们两手相牵如今我们彼此陌路
[céng jīng wŏ men liăng shŏu xiāng qiān rú jīn wŏ men bĭ cĭ mò lù]
'Once Our Hands Were Joined, Now We Are Strangers' illustrates how relationships deteriorate over time. People who were once close now walk separate paths and have become distant strangers.