be up meaning in English
时间到了
（时间等）到了，结束了
熬夜
发生；出事
很多时候
时间终了
原为反义
Examples
- You are up for a command, i know that .
你已经获得提名，这我已知道。 - It is up to us to help those in need .
我们有责任帮助那些有困难的人。 - The new museum is up and open to the public .
新博物馆已落成开放。 - He is very pale . what is up with him ?
他脸色很苍白，究竟怎么了？ - Did she think of being up before you set off ?
她想在你动身之前起床吗？