爱到浓时牵肠挂肚情到深处人却孤独
[ài dào nóng shí qiān cháng guà dù qíng dào shēn chŭ rén què gū dú]
"Deep Love Tugs at One’s Heart While Intense Affection Brings Loneliness" expresses how intense love and deep emotions can make one yearn deeply but also feel isolated and alone.