How could you do it in such a short period of time?
你是怎么在如此短的时间里做到的`？
The government is long on ideas but short on performance.
这个政府想法很多但执行的却太少。
They had achieved a lot in a short space of time.
他们在短时间内取得了很大的成绩。
The fact remains that we are still two teachers short.
实际情况是我们还缺少两名教师。
The short story is a difficult art form to master.
短篇小说是一种很难掌握的艺术形式。