谁欠谁一个婚礼
[shéi qiàn shéi yī gè hūn lĭ]
Translating to 'Who Owes Who a Wedding', this could be alluding to past regrets in a romantic relationship, implying unfulfilled promises, especially regarding marriage. It might express feelings of being jilted or let down by a partner who reneged on marital vows.