毕竟你喜欢干净而我姓张
[bì jìng nĭ xĭ huān gān jìng ér wŏ xìng zhāng]
This could be translated as 'After all, you like cleanliness while I happen to have the family name Zhang.' It uses an unusual connection, indicating the uniqueness of individual differences. It's often meant humorously.