曾经你是我的唯一曾经你是我的全部
[céng jīng nĭ shì wŏ de wéi yī céng jīng nĭ shì wŏ de quán bù]
'Cengjing Nishi Wode Weiyi Cengjing Nishi Wode Quanbu' means 'Once, you were my only one and everything to me'. It conveys nostalgia about a past relationship that held significant importance in the user’s life.