Dementors amongst the foulest creatures to walk this earth .
摄魂怪是地球上最邪恶的生物之一.
The nation will soon be liberated from the foulest thralldom .
这个国家即将从最为肮脏的奴役时代得以解放。
Ms hillenbrand recounts how prisoners would cook a stolen onion under a water heater , stuff sugar into their boots and mix the foulest available excrement into the bird 's food in the hopes of sickening him .