男人管女人叫马子女人管男人叫死鬼
[nán rén guăn nǚ rén jiào mă zi nǚ rén guăn nán rén jiào sĭ guĭ]
In slang language in China, it means 'Men call women 'sluts' and women call men 'dead husbands.' It is used in a colloquial and slightly sarcastic manner to point out some negative aspects in the relationship, reflecting a cynical view about how each other might be referred to derogatorily within opposite genders.