有种尖酸刻薄的脆弱叫顾里
[yŏu zhŏng jiān suān kè bó de cuì ruò jiào gù lĭ]
It's a reference to the popular character 'Gu Li' from a Chinese novel, who's characterized by her caustic, sharp remarks ('acid'), and vulnerability despite this. It describes such a type of person.