níng píng gài lā yǐ zi fān bāo zhè xiē xiǎo shēng yīn zài ān jìng jiào shì lǐ huì hěn míng xiǎn

拧瓶盖、拉椅子、翻包这些小声音，在安静教室里会很明显。

Small noises like unscrewing a bottle cap, pulling a chair, or rummaging through a bag will be very noticeable in a quiet classroom.