up用作形容詞：
1、起床的
Are you sure you should be up?
你肯定你該起床了嗎？
2、結束的，用完的，到點的
The moment the half-hour was up, Brooks rose.
半個小時一到，布魯克斯便起來了。
3、正在整修的
Half the road was up in Leadenhall Street, so their taxi was obliged to make a detour.
半條利德霍爾街都在修路，他們的出租車只好繞道走。
4、向上的，上升的，漲的
The scene is now set for a long term up-trend.
從當前情況看來，將迎來一波長期漲勢。
up用作副詞：
1、向上
Intense balls of flame rose up into the sky.
熾熱的火球沖上天空。
2、在上面，在高處
There's a research station perched 4000 metres up on the lip of the crater.
有個研究站坐落在海拔4,000米的火山口附近。
3、起床，起來
He stood up and went to the window.
他起身走向窗戶。
4、向（或在）地勢更高處
He was living up North.
他當時住在北部。
5、往，朝
The girl ran the rest of the way across the street and up to the car.
那個女孩開始跑起來，一路跑到街對面的汽車旁邊。