bié / zài / wǒ / miàn / qián / zhuāng / suàn / zhè / jiàn / shì / nǐ / zǎo / jiù / tīng / shuō / guò / le

别在我面前装蒜，这件事你早就听说过了。

Don't pretend you don't know in front of me; you heard about this long ago.