know的過去分詞形式是known，音標(biāo)：英[n??n]；美 [no?n]。短語：well known，眾所周知的。例句：I've known David for 20 years.我認(rèn)識戴維已有20年了。

known 英 [n??n] ?美 [no?n]?
adj. 已知的；知名的；大家知道的
v. 知道（know的過去分詞）

短語：

known as 被認(rèn)為是，被稱為；以…而著稱

well known 眾所周知的；出名的

known for 因…而聞名

best known 最著名的

例句：

1.He is little known as an artist.?

幾乎沒人知道他是個藝術(shù)家。

2.Christopher is commonly known as Kit.?

克里斯托弗通常被稱為基特。

3.I wish we'd known about it beforehand.?

要是我們預(yù)先知道這事就好了。

4.Diamonds are the hardest known mineral.?

鉆石是已知的最堅硬的礦石。

5.His views on the subject were well known.?

他對這個問題的看法眾所周知。

6.Miriam Makeba became known as Mama Africa.?

米麗婭姆?馬凱巴被稱為“非洲之母”。

7.'Big Mac' is McDonald's best-known trademark.?

“巨無霸”是麥當(dāng)勞最著名的商標(biāo)。

8.He is known to have consorted with prostitutes.?

眾所周知他曾與妓女廝混在一起。

9.The programme did much to popularize little-known writers.?

這個節(jié)目大力宣揚不太知名的作家。

10.She is known as a great beauty.?

她是個眾所皆知的大美人。

11.The disease has no known cure.?

這種病目前還是不治之癥。

12.I've known David for 20 years.?

我認(rèn)識戴維已有20年了。

13.His books are not well known.?

他寫的書不太有名。