Translation of "filthy" into Persian

I was almost choked with the filthy stuff the monkey had crammed down my throat.

از آن چیز پلید که بوزینه در دهانم فرو برده بود نزدیک بود خفه شوم.

Yeah, but do you consider a dog to be a filthy animal?

آره ، ولی سگ رو هم نجس حساب میکنی ؟

Despite the best efforts of his scout and cleaning lady, his room was always filthy.

با وجود تمام تلاشهای خانم نظافتچی دقیقش اتاق او همیشه کثیف و آشفته بود.