a blot on the landscape meaning in Chinese

破坏自然美的人或物
煞风景的人或物

That new factory is a blot on the landscape .
那新建的工厂破坏了此地的景色。
That new factory is a blot on the landscape
那新建的工厂破坏了此地的景色
That factory is a blot on the landscape
那家工厂在景色上是个污点。
They are a very happy crowd in their office , but the boss himself is a bit of a blot on the landscape
他们这伙人在办公室里非常开心，只是老板本人有点令人扫兴。