我姓商却被你伤了心
[wŏ xìng shāng què bèi nĭ shāng le xīn]
'My Surname is Shang (a Chinese surname) But You Broke My Heart' expresses feeling of betrayal or heartbreak. Despite coming from a background or having qualities that are meant to signify trustworthiness, they feel emotionally hurt by a loved one.