An exterminator is someone whose work is to kill a whole group of living things so they are gone.

An exterminatorexterminator（滅蟲人員／滅絕者） is someone whose work is to kill a whole group of living things so they are gone是指工作是把一整群生物殺光讓牠們消失的人.

In ordinary American English, if a neighbour says “I called the exterminator,” they almost always mean the pest-control person — the one who comes for ants, rats, or termites. That is how people really talk, even though the root is the same dark verb.

In ordinary American English在一般的美式英語裡, if a neighbour says如果鄰居說 "I called the exterminator,"「我叫了exterminator來」, they almost always mean他們幾乎都是指 the pest-control person除蟲公司的人 — the one who comes for ants, rats, or termites就是來處理螞蟻、老鼠或白蟻的那種人. That is how people really talk人們實際上就是這樣講話的, even though即使 the root is the same dark verb詞根其實是同一個陰暗的動詞.

When the word is about people, it is rare and very harsh: a person who carries out mass killing. Though actually, there is almost no everyday middle sense: it is either the bug job, said without drama, or a history-horror word.

When the word is about people當這個詞用在人身上時, it is rare and very harsh是罕見而且非常嚴重的: a person who carries out mass killing指執行大規模屠殺的人. Though actually不過事實上, there is almost no everyday middle sense幾乎沒有日常的中間意思: it eitherit要嘛 is the bug job是除蟲的工作, said without drama語氣平淡地說出來, or要嘛 is a history-horror word是一個歷史恐怖詞.

Students should hear the room before they pick it.

Students學生 should hear the room應該先聽聽場合的語氣 before they pick it再決定要不要用這個詞.