生死爱情天嫉妒天长地久地不甘
[shēng sĭ ài qíng tiān jí dù tiān zhăng dì jiŭ dì bù gān]
'The eternal love between life and death; so great that even Heaven is jealous but unable to last forever'. It expresses the deep yet ephemeral nature of passionate romance affected by divine envy and inevitable endings.