known to

For reasons best known to himself, Algie changed his name.

不知是出于什么原因，阿尔吉改了名字。

Increasing gravity is known to speed up the multiplication of cells.

我们知道不断增加的引力会加速细胞的分裂。

She is known to have liberal views on divorce and contraception.

众所周知，她在离婚与避孕方面思想很开明。

She was known to have had personal problems unconnected with her marriage.

据悉，她有过一些与婚姻不相干的个人问题。

I shouldn't trust him; he's known to the police.

我不该信任他, 他是警察熟知的人物.

You should also make your views known to your local MP.

你也应该让本地议员了解你的观点。

Radon is known to be harmful to humans in large quantities.

众所周知，大量的氡会对人体造成伤害。

The man was known to the police because of previous convictions.

因为有犯罪前科，警察们都认识这个人。

He let his preference be known to the press.

他向记者公开了他的偏好。

Lead was one of the metals known to the ancient world.

铅是早在古代就已知的金属之一。

She is known to hold strong views on Cuba.

她在古巴问题上的鲜明观点人人皆知。

He was well known to all and sundry.

每个人都很熟悉他。

Dolphins have sometimes been known to save drowning swimmers.

据悉海豚有时会救溺水的游泳者。

John Hunt, familiarly known to his friends as Jack

约翰∙亨特，朋友昵称他为杰克

He is well-known to the local police.

当地警察都知道他。