伱给的殇难以洗去
[nĭ jĭ de shāng nán yĭ xĭ qù]
Here 淇 (qí) could refer specifically to 'you' in old-fashioned spelling or used phonetically to replace '你', 丧 (sāng) means sorrow or grief, and it’s about a sorrow given that can’t be erased – implying a lingering emotional damage inflicted by another.