- 1aB2
/kəmˈpʌlsəri/
If something is compulsory, you must do it. You have no choice, because a law or a rule says so, or because someone in charge tells you to.
強制的；必修的
核心畫面
A door with only one way through it. Someone else — a law, a rule, a person with authority — has already closed off the other exits, so 'I don't want to' changes nothing about what happens next.
一條被別人先關掉了岔路的走廊：你面前只剩一個出口。決定不是你做的——法律、校規、上面的人已經替你把選項收走了，所以「…更多收起
一條被別人先關掉了岔路的走廊：你面前只剩一個出口。決定不是你做的——法律、校規、上面的人已經替你把選項收走了，所以「我不想」在這裡不影響結果，你還是得走那一條。compulsory 描述的正是這種「選擇權不在你手上」的狀態，語氣偏正式，常出現在制度、規定、教育的場合，例如 compulsory education（義務教育）、a compulsory subject（必修科目）。原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
compulsoryadj/kəmˈpʌlsəɹi/
- 1
Required; obligatory; mandatory.
- The ten-dollar fee was compulsory.
- They are entirely private concerns, established by individual teachers, and attendance upon them is no more compulsory than attendance on our dispensaries.
- 2
Having the power of compulsion; constraining.
- Such compulsory measures are limited.
- There will be financial and other incentives to encourage voluntary recruitment, but if that fails to find the numbers a compulsory nationwide call-up will be reconsidered.
compulsorynoun/kəmˈpʌlsəɹi/
- 1
Something that is compulsory or required.
- Delobel and Schoenfelder failed to win the free dance, but they had built a big lead in the compulsories and the original dance.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。