我在你婚礼上唱分手
[wŏ zài nĭ hūn lĭ shàng chàng fēn shŏu]
This username means 'I Will Sing Breakup At Your Wedding', conveying a very dramatic or rebellious sentiment. It might suggest unreciprocated feelings or unresolved issues within relationships, where singing a breakup song at someone's wedding would be both ironic and heartbreaking.