他脖颈处有她的吻痕她心脏处有他的伤痕
[tā bó jĭng chŭ yŏu tā de wĕn hén tā xīn zàng chŭ yŏu tā de shāng hén]
It describes the physical signs of passion and conflict - he has her kiss mark on his neck whereas she has got his scar over heart which hints at a tumultuous romantic relationship filled with moments of both intense intimacy and turmoil.