be public knowledge

• 人所共知； 众所周知

be public knowledge的用法和样例：

例句

1. The catalogue of recent errors is now common knowledge.
   最近的错误的目录现在已人所共知。
2. He is known to be a good teacher.
   众所周知他是以为好老师。
3. It's common knowledge that women talk more than men.
   众所周知，女人总比男人说话多。