"So quiet" 英文是 "so quiet"。这是一个描述声音或环境非常安静的常用短语，来源于英语日常交流。
例句：
"The pbrary is so quiet, I can finally focus on my studies." (图书馆安静得可以让我专心学习了。)
"It was so quiet in the forest, all we could hear were the birds singing." (森林里非常安静，我们能听到的只有鸟儿的歌唱。)
"The baby is sleeping soundly, it's so quiet in the room." (婴儿睡得很好，房间里非常安静。)