这家公司是该地区公认的污染企业。

The company is a ___known polluter in the region.

他因过去的犯罪记录而受到警方的注意。

He is ___known to the police because of his previous criminal record.

莎士比亚因其戏剧和十四行诗而闻名世界。

Shakespeare is ___known worldwide for his plays and sonnets.