Common knowledge
n. 大家都知道的事，常識
?? 詞語組成解析
common
['kɑm?n]
adj. 普通的;通俗的;[數(shù)學(xué)]公共的;共有的;
n. [法律]（對土地、水域的）共有權(quán);公共用地;普通;平民;
knowledge
['nɑl?d?]
n. 了解，理解;知識（表示多方面的知識時有復(fù)數(shù)knowledges這一用法）;學(xué)科;見聞;
know知道+ledge框架 → 知識
??? 情景例句
You can say he's more of a politician than a statesman.
你可以說他更像政客而不像政治家。
It'll soon go out of mind.
這件事很快會被忘記。
and slipping through we no longer take omens from their flight on this side and that; and even the most superstitious villagers no longer take off their hats to the magpie and wish it good-morning.
這些鳥對我們是有益的，雖然我們不再從它們的飛翔姿態(tài)來占卜吉兇，連最迷信的村民也不再對喜鵲脫帽行禮，祝它早安了。