They are wellknown in trade circles.

他们在贸易界很有名气。

It is one of the wellknown scenic cities in China.

它是有名的中国的风景世界闻名的城市之一。

It's wellknown that smoking is bad for our health.

众所周知，吸烟有害健康。

As is wellknown to all, the earth moves around the sun.

众所周知，地球围绕太阳转。

Daxinzhuang is a wellknown ancient site of Shang Dynasty.

大辛庄遗址是一处以商文化为主要内涵的古代遗址。