péngyǒu bǎ chuānghu dǎkāi yìdiǎn, wàimiàn de shēngyīn mànmàn jìnlái: chēshēng, fēngshēng, lóuxià yǒurén shuōhuà

朋友把窗户打开一点，外面的声音慢慢进来：车声、风声、楼下有人说话。

My friend opened the window a little, and the outside sounds slowly came in: the sound of cars, the wind, and someone talking downstairs.