大概他喜欢赢而我姓苏
[dà gài tā xĭ huān yíng ér wŏ xìng sū]
'Perhaps He Loves Winning And I Am Surnamed Su'. In this context, it can be implied that while he is competitive or fortunate, perhaps always coming out on top ('winning'), the speaker might be referring to themselves as 'Su' (which is a common Chinese surname) feeling like a bystander who just follows along without much say, highlighting a disparity in their relationship or a situation between two people.