你是我血液里的毒毒入我身深入我心
[nĭ shì wŏ xuè yè lĭ de dú dú rù wŏ shēn shēn rù wŏ xīn]
'You Are the Poison in My Blood, Entering My Body and Heart' conveys deep obsession and love. The user might be expressing that although their lover may be toxic or problematic, they are deeply loved and have a significant place in their heart.