污点

The crime he committed is a blot on his record.

他犯罪是他中一个污。

There's a smear on your shirt.

你衬衫有个污。

The moths tapped and blurred at the window screen.

飞蛾在窗帘跳来跳去, 弄了许多污。

The best way to get stains off collars is to use liquid detergent at full strength.

去除领子污最好办法是使用未稀释液体洗洁净。

I used a throw rug to hide (or conceal ) the stain on the carpet.

我用小块地毯（或 conceal ) 将地毯污遮盖起来。