a race against time的用法和樣例：
例句
- Race against the clock to get the best time!
快跑，和時(shí)間賽跑，搶在最快時(shí)間之前！ - The young reformers were in a race against time.
年輕的改革家們在跟時(shí)間賽跑。 - I just love to run against the clock.
那只是想搶時(shí)間。 - However, I want to emphasize that we are in a race against time.
但是，我想強調一點(diǎn)，就是要搶時(shí)間。
