這個拼法底下其實是2個不同的字，意思沒有關係， 只是長得一樣。下面分開列出來。跳到 rev up (make an engine roar) · rev up (get more active)
1
rev up
A second word, same spelling
2
rev up
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。
rev upverb
- 1
To increase the speed of an engine, especially that of a stationary motor car.
- The huge Rolls-Royce engine revved up. Then the back wheels spun furiously, and clouds of smoke filled the air.
- 2
slangTo make (someone or something) more active; to energize.
- Blast out of the gate on Monday by listening to up-tempo music before your workout. Israeli scientists say this can raise your heart rate, rev you up for an intense exercise session, and temporarily boost muscle power by 10 percent.
- 3
slangTo become more active.
- I didn't much want to leave again, but, though I'm not sure I exactly understand why, I just knew I had to rev up again to play this thing out.
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。