filth
n. 污秽；肮脏；猥亵；不洁
例句
He would tell her, "Oh, sinful wretch, who is spreading disease and filth like an open sewer."
他会告诉她：“噢，可恶的家伙，像露天下水道一样传播疾病和污秽。”
How can you read such filth?
你怎么能看这种淫秽读物？
《牛津词典》
The dialogue was all filth and innuendo.
这段对话全是下流的言辞和影射。
《柯林斯英汉双解大词典》
