扎在男人堆里的女汉子扎在女人堆里的纯爷们
[zhā zài nán rén duī lĭ de nǚ hàn zi zhā zài nǚ rén duī lĭ de chún yé men]
A tough woman standing among men and a genuine manly figure amidst women. It describes someone who exhibits traits traditionally associated with opposite genders in respective settings: a rugged female around men and a straightforward masculine man around women.