来源于<21世纪大英汉词典>
be up的意思:
1.在高处;在上;直立姿势:
The ladder is up.梯子支立着。
2.(醒来)起床:
He isn't up yet.他尚未起床。
3.熬夜,不睡觉:
He has been up all night.他一夜未睡。
I'm often up late.我常开夜车。
I'm full up with work till late tonight.我今晚工作缠身,要一直忙到深夜。
4.增加,增长,上升;(地位)提高;(人)发迹:
He's up in the world now.他的地位现在提高了。
5.涨价,(物价)上涨:
Apples are up again this week.苹果本周又涨价了。
6.(期限)终止;(时间)到了:
The time (或 hour) is up.(结束的)时间到了。
7.(日、月)升起:
The moon is up.月亮升起了。
8.完蛋了,完了:
Your chance is up.你的机会完了。
It's all up with them.他们一切都完了。