nǐ / jiù bié / zài / péng you / miàn qián / jiǎ zhèng jīng le / xiǎng chī / tián diǎn / jiù / zhí jiē / ná / yí kuài / ba

你就别在朋友面前假正经了，想吃甜点就直接拿一块吧。

Stop acting so prim in front of your friends; if you want dessert, just take a piece.