我姓滕却不能让你不再心疼
[wŏ xìng téng què bù néng ràng nĭ bù zài xīn téng]
My surname is Teng (滕) but I cannot prevent you from having a broken heart. Even though my name may sound nice, there are things I can’t change about others' emotions. This suggests helplessness towards someone's emotional state.