爱到心尖疼到心底
[ài dào xīn jiān téng dào xīn dĭ]
This nickname expresses the deep, heartfelt emotions and pain of love. 'Ai dao xin jian teng dao xin di' can be translated as 'Love that stirs to the point of piercing one's heart', indicating an intensely passionate yet bittersweet experience.