(lit. and fig.) to pollute; to contaminate

stain; taint

(literary) dirty; filthy; (literary) dirt; filth

variant of 污垢[wu1 gou4]

sewage

to stain; to sully; to tarnish

to be corrupt; corruption; to embezzle

to wallow in the mire with sb (idiom); to follow the bad example of others

despicable and filthy; foul

to decontaminate; to clean