寂寞心痛那是唯一

'Loneliness and Heartache, That Is the Only One' reveals loneliness as well as a kind of pain that cannot be relieved. 'Only' might indicate a feeling of being alone and unique in the sense of pain that has not been felt or shared by others. Perhaps, the user is trying to express his or her sorrow over past events or losses that have profoundly shaped him or her. It reflects emotional depth through solitude and hurt, and the idea that these feelings are intrinsic and solitary parts of oneself.