我的爱情有个缺你的爱情有残缺
[wŏ de ài qíng yŏu gè quē nĭ de ài qíng yŏu cán quē]
Translates to 'My Love Has a Gap, Your Love Is Incomplete.' This nickname reflects a sense of incompleteness or imperfection in both one's own and someone else’s feelings of love, hinting at mutual struggles in a relationship.