up /ʌp/ I. adv. 1.向上，起来：to jump (hang, pull, sit) up 跳起(挂上，拉上，坐起来) 2.在高处：The office is up on the top floor.办公室在顶层。 3. 增大：Prices are going up. 物价在上涨。The river is up.河水涨了。 4. 向(在)北方，去(在)重要的地方：He lives up north.他住在北方。 When are you going up to London?你什么时候去伦敦? 5. 靠近：Come up to me!到我这儿来。 A taxi drove up and she got in.一辆出租车开过来，她上了车。 6.完，尽：use up 用完; drink(eat) up 喝（吃）光; pay up 付清 7. 终了，完结：Time is up. 时间到了。His chance is up. 他的机会过去了。8.起床，没睡觉：Is Jane up? 简起来了吗? I was up late last night. 我昨晚很晚都没睡觉。9.用于习语 up against 面临困难等：The Welsh rugby team will really be up against it when they take on France next week.下周与法国队相遇，威尔士橄榄球队真地会遇到很多麻烦。up and down 上上下下，来来回回：The officer looked him up and down. 军官上下打量他。The soldiers were walking up and down in front of the camp. 士兵们在军营前面走来走去。up to 1.(时间上)直到：Up to now he hasn’t realized his mistake. 直到现在他还没认识到他的错误。2.(数目上) 一直到，多达：Up to ten men can sleep in this tent. 这帐篷里能睡到十个人。3.胜任，适于：She wasn’t up to cooking a meal.她不适于做饭。 4.是…的职责；取决于：It is up to you to make the change. 进行改变的责任应由你来承担。The choice is up to you.选哪一个就取决于你了。up to scratch 达到（可以接受的）标准：Your last essay wasn’t up to scratch/didn’t come up to scratch.你最后的那篇论文没有达到标准。‖II. prep. 1.沿…向上：The cat climbed up the tree. 猫爬上了树。 2.在…上：They live up the hill. 他们住山上。