她在为谁心痛他在为谁痛心
[tā zài wéi shéi xīn tòng tā zài wéi shéi tòng xīn]
'Who She Is Heartbroken For, Whose Heartache He Shares' - This expresses that each person is pained by their concern for someone else, reflecting a mutual empathy or intertwined heartaches in an entangled relationship.