シャツに汚れがついている。
There's a stain on the shirt.
手の汚れを石けんで落とした。
I washed the dirt off my hands with soap.
A stain got onto my white shirt.
I used detergent to remove the stain.
No matter how many times I wash it, the stain won't come out.
I wiped the dirt off the table.
oil stain; grease stain
dirty work; unpleasant task