90后疯狂丫头90后低调小子
[90 hòu fēng kuáng yā tóu 90 hòu dī diào xiăo zi]
Referring to young people (specifically post-90s generation) characterized by different personalities, where 'the crazy girl' indicates lively and unrestrained character traits while 'the low-key boy' represents calm and low-profile ones.