毕竟你喜欢温暖而我姓韩
[bì jìng nĭ xĭ huān wēn nuăn ér wŏ xìng hán]
Translating to 'After all, you like warmth, but I'm surnamed Han'. Here, 'Han' means the surname Han, which sounds similar to 'han' (cold in Chinese). It conveys the irony that although he/she has a cold surname, they offer warm care.