nieczysty 用英语:

unclean beach, unclean clothes

When a man reproached him for going into unclean places, he said, "The sun too penetrates into privies, but is not polluted by them."

Impure drinking water can be a carrier of diseases.

Men, how many times, in your grungy clothes, have you tried to talk to Lovely Lady on the bus who gives you a cursory answer and looks away?

This man stinks. He's grungy.

... on a pair of grungy jeans and a T-...

Harmony takes me beneath Mickey’s club to a grungy gymnasium lit by sulfurous bulbs.

He showed up for the interview wearing some grungy old shirt and jeans.