再强悍的女人也得经过月经再好的男人也抵不过狐狸精
[zài qiáng hàn de nǚ rén yĕ dé jīng guò yuè jīng zài hăo de nán rén yĕ dĭ bù guò hú lí jīng]
It is quite colloquial, stating “Even strong women have periods and great men can’t withstand sly/charming women.” This carries cultural meanings on gender relations and expectations within Chinese society.