This drug is known to have adverse side effects.

众所周知，这种药具有不良副作用。

《牛津词典》

I made myself known to the hotel manager.

我向旅馆老板作了自我介绍。

《牛津词典》

She was known to all and sundry as Bella.

人人都叫她贝拉。

《牛津词典》

In warmer climates, snow is known to fall in areas over four thousand nine hundred meters above sea level.

VOA: special.2010.01.05

So it's on the elements on your left that are already known to be the lightest 'cause I did that.

现在已经知道在你们左边的元素,是最轻的，因为我已经比较过了。

哈佛公开课 - 计算机科学课程节选

Bisection methods were known to the ancient Greeks, and it is believed by many, even to the Babylonians.

二分法由古希腊人所发明,我以前也说过，一直到17世纪二分法都被。

麻省理工公开课 - 计算机科学及编程导论课程节选

But these caveats are well known to us and always have a hand in our emptor.

FORBES: Near-Term Bust For Emerging Markets?

There is so much history at Sun, it has been known to reduce grown men to tears.

BBC: Music City to Dixieland: A musical roots run

The nodules are known to contain up to 28% metal - 10 times the proportion found on land.

BBC: UK Seabed Resources joins deep-ocean mineral-mining rush