A proctor is the person who watches a room during a test, to make sure nobody cheats and that the rules are followed. In American English this is the usual school word; you also hear it as a verb: to proctor an exam means to be that watcher.

A proctorproctor is是 the person who watches a room during a test考試時在教室裡監看的人, to make sure nobody cheats and that the rules are followed確保沒有人作弊、大家都遵守規則。In American English在美式英文裡 this is the usual school word這是學校常用的字; you also hear it as a verb你也會聽到它當動詞用: to proctor an examto proctor an exam means意思就是 to be that watcher當那個監看的人。

In British English, people more often say invigilator for the same job, though students still meet proctor in American tests and in some universities.

In British English在英式英文裡 people more often say同樣的工作大家比較常說 invigilator for the same jobinvigilator, though students still meet不過學生還是會遇到 proctorproctor 這個字 in American tests and in some universities在美式考試和一些大學裡。

Though actually, the word is older than exam halls: it was a worn-down form of a word for someone who acts for another person, which is why it still feels a little official, like a duty, not just “the teacher standing there.”

Though actually不過其實 the word is older than exam halls這個字比考場還要古老: it was a worn-down form of它是從...磨損變化來的 a word for someone who acts for another person一個指「代表別人行事的人」的字, which is why it still feels a little official這也是為什麼它聽起來還是有點正式, like a duty, not just "the teacher standing there"像個職責，而不只是「站在那裡的老師」。