扮演你的配角背叛我的骄傲
[bàn yăn nĭ de pèi jiăo bèi pàn wŏ de jiāo ào]
Means 'Playing your supporting role betrays my pride.' Here, the user compares themselves to a supporting character in a story, highlighting a complex sentiment that mixes self-doubt with unmet expectations or regret over compromises made.