例句：
He spewed up on the pavement.
他在人行道上吐了。
I looked it up on the Internet.
我在互聯網上查過此事。
Sales are well up on last year.
銷量比去年大幅增加。
He continued working up until his death.
他一直工作到去世。
I often stayed up until two or three in the morning.
我經常熬夜到凌晨兩三點鐘。
Don't give up until you have exhausted all the possibilities.
只要還有可能就別放棄。
Phone them up and find out when they are coming.
給他們打個電話，問問他們什么時候來。
Let us, then, be up and doing.
那么，讓我們起來干吧。
Lett us, then, be up and doing.
讓我們起來干吧。