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
How have you been?
你近来怎么样？
He said he knew a lot of people there.
他说他在那里认识很多人。
The Officer went through the case with great care.
那位官员十分仔细地把箱子检查了一遍。