肮脏的用英语可以用 dirty 来表示。Dirty 这个词来源于中古英语的 "dirt"，意思是 "污垢、尘埃"。例句如下：
The room was dirty and needed to be cleaned. (这个房间很肮脏，需要打扫。)
I don't want to touch that dirty fork. (我不想拿那个肮脏的叉子。)
He had dirty hands because he had been working in the garden. (他的手很肮脏，因为他刚刚在花园里干活。)
The room was dirty and needed to be cleaned. (这个房间很肮脏，需要打扫。)
I don't want to touch that dirty fork. (我不想拿那个肮脏的叉子。)
He had dirty hands because he had been working in the garden. (他的手很肮脏，因为他刚刚在花园里干活。)