我爱得痛彻心扉
[wŏ ài dé tòng chè xīn fēi]
Translates as 'I love with my whole heart in pain/deeply ache' emphasizing the intense emotional distress associated with loving someone. The intensity and depth of emotion highlight how profound love can cause significant pain and suffering, possibly due to unreciprocated affection, parting, or deep disappointment in a loved one.