别再我面前炫富别在我面前装逼
[bié zài wŏ miàn qián xuàn fù bié zài wŏ miàn qián zhuāng bī]
Means 'Don't show off your wealth and act tough in front of me.' It conveys disdain towards people flaunting their status or acting pretentiously, possibly from a stance of someone unaffected by such displays.