你的马子有我凯子漂亮吗
[nĭ de mă zi yŏu wŏ kăi zi piāo liàng ma]
In colloquial Mandarin, '马子' refers informally to 'girlfriend,' and '凯子' to 'boyfriend.' Translating loosely, it means 'Is your girlfriend prettier than my boyfriend?', suggesting humor or playful competitiveness in describing one’s relationships.