know the ins and outs of [sth]v exprverbal expression: Phrase with special meaning functioning as verb--for example, "put their heads together," "come to an end."
informal (be familiar with features)
知道了来龙去脉 zhī dào le lái lóng qù mài
了解所有详情 liǎo jiě suǒ yǒu xiáng qíng
Chloe clearly knows the ins and outs of the real estate business.