Common knowledge
n. 大家都知道的事，常识
🧩 词语组成解析
common
['kɑmən]
adj. 普通的;通俗的;[数学]公共的;共有的;
n. [法律]（对土地、水域的）共有权;公共用地;普通;平民;
🗣️ 情景例句
Poor baby.
可怜的小东西。
His short is in the drawer.
他的衬衣在抽屉里。
Her first impulse was to go round all the rooms looking for the thieves,
她第一个条件反射是各个房间搜寻一下窃贼，