be up

• 起床

be up的用法和样例：

例句

1. We got up at the first streak of daylight.
   我们一天亮就起床了。
2. As a rule, we get up about six o'clock.
   我们通常六点左右起床。

词汇搭配

• be up in 熟悉
• be up on 熟悉(精通
• be up to the mark 够好的; 达到要求的...