adj. 大家知道的;已知的;知名的;向某人作自我介绍
v. 知道( know的过去分词 );看到过;听到过;经历过
He is little known as an artist.
几乎没人知道他是个艺术家。
Christopher is commonly known as Kit.
克里斯托弗通常被称为基特。
I wish we´d known about it beforehand.
要是我们预先知道这事就好了。
Diamonds are the hardest known mineral.
钻石是已知的最坚硬的矿石。
His views on the subject were well known.
他对这个问题的看法众所周知。