抹抹抹不去的離殤擦擦擦不去的哀愁
[mŏ mŏ mŏ bù qù de lí shāng cā cā cā bù qù de āi chóu]
Unerasable parting sorrow, Unwipeable sadness. This expresses deep sorrow from a separation or loss, which persists and cannot be easily forgotten. The repetitive characters emphasize intensity of feeling.