及物动词
1. They while away many afternoons on the beach.
他们在海滩消磨了许多个下午。
名词
1. Wait a while.
等一会儿。
连词
1. Write while I dictate.
当我口述时请你记下。
2. While I understand what you say, I can't agree with you.
虽然我理解你的意思，但我还是不同意。
3. We must strike while the iron is hot.
我们必须打铁趁热。
建议
A：Do you think I should join the basketball team, Mary?
玛丽，你认为我应该参加篮球队吗？
B：Why not? If I were you, I certainly would.
为什么不呢？如果我是你，一定参加。
A：But I’m afraid it’ll take up too much of my time.
可是，这恐怕要占去我太多的时间。
B：As the saying goes:Work while you work, play while play. All work and no play makes Jack a dull boy, you know?
俗话说：工作时工作，娱乐时娱乐。只工作不娱乐，聪明的孩子也会变得笨拙，你知道吗？
A：Hmm, you’re right.
嗯，你说得对。
Turning in-(上床睡觉)
A：I guess I'll turn in, Bob. It's been a long day.
我想我要上床了，鲍勃。今天很累了。
B：I've got a chapter to read for tomorrow, so I'll be up for a while yet.I'll turn off thd heat and lock thd door before I go to bed.
我还有一章要读完，这是明天的功课，所以我要等一会儿再睡。 在我上床以前我会关掉暖气和锁上门的。
A：Okay. What time are you getting up tomorrow?
好的。明天你几点起床？
B：Oh, the usual time. No, wait a minute.Make sure I'm up before you go to work, will you? I've got a quiz at ten. It wouldn't hurt to read over my notes.
啊，老样子。不，等一等。记住，我要在你上班之前起来，好吗？十点钟我有一个小型考试。最好能再读一遍我的笔记。
A：I'll try, but when seven o'clock comes around, don't forget you asked me to wake you.
我尽量做到，不过到七点钟时别忘了是你要我叫醒你的。
B：Good night, Joe.
晚安，乔。
Waking Someone Up-(叫醒某人)
A：Hey, Jim, it’s time to wake up? and get out of bed.
嘿，吉姆，醒一醒，该起床啦。
B：Do I have to get up now?
我现在一定得起床吗?
A：You’d better get up, or you’ll be late.
你最好现在就起床，否则要迟到了。
B：What are you talking about? My alarm hasn’t even gone off yet.
你说什么呀? 我的闹钟都还没响呢?
A：Yes, it did. It went off? 30 minutes ago. You slept right through it?. You’re like a dead person while you sleep.
响了，30分钟前就响了。你睡过了。睡得像死猪一样。
B：I must have slept right through it.
我一定是睡过了。
A：Rise and shine?! Sleepyhead!
起床！贪睡鬼！
B：Just let me sleep 5 more minutes.
让我再睡5分钟嘛。
A：The early bird gets the worm?.
早起的鸟才会有虫吃。
B：I know. I know. But I don’t want any worms.
我知道。我知道。但是我可不想吃虫。
A：Ha! Ha! If you don’t make an effort now, later on it’ll be a lot tougher for you.
哈！哈! 如果你现在不努力的话，将来的生活就会变得更加艰
1. 循环语句：程序语言中,当型循环结构由当型循环语句(While)表示. 程序语言中,直到型循环结构由直到型循环语句(Until)表示.
2. 循环：提供函数定义,函数调用,条件语句(if/else if/else),循环(while)语句,标准循环(for)语句遍历(for in)语句,多路分支(switch/case)语句,支持复杂表达式
3. 同时：计算机为消费者提供诸多方便的同时(while),也给商家带来很多优势. 电子收款机能做之事远不止简单记录销售额(ring up sales). 它们可进行各种各样的记录,包括什么人卖了什么,何时卖的,卖给谁了. 这些信息使商人们通过了解并显示出销售出哪些商品,
连词用法（CONJUNCTION USES）
1. (表示两件事同时发生)当…的时候，在…时
If something happens while something else is happening, the two things are happening at the same time.
e.g. They were grinning and watching while one man laughed and poured beer over the head of another...
当一个男人大笑着把啤酒倒在另一个人头上时，他们都在乐呵呵地看着。
e.g. I sat on the settee to unwrap the package while he stood by...
我坐在长椅上打开包裹时他就站在旁边。
2. (表示某一件事是在另一件事发生过程中的某一时间点发生的)当…的时候，在…时
If something happens while something else happens, the first thing happens at some point during the time that the second thing is happening.
e.g. The two ministers have yet to meet, but may do so while in New York...
两位部长尚未会面，但可能会在纽约碰头。
e.g. Never apply water to a burn from an electric shock while the casualty is still in contact with the electric current.
当被电击者还连着电时，千万不要把水弄到电击伤口上。
3. 却;但是;然而
You use while at the beginning of a clause to introduce information which contrasts with information in the main clause.
e.g. Marianne was tempted to turn the large rooms into traditional French-style salons, while Howard was in favour of a typically English look...
玛丽安娜想把这些大房间弄成传统法式客厅的样子，但是霍华德喜欢典型的英式风格。
e.g. The first two services are free, while the third costs £35.00.
前两项服务免费，但是第三项服务要花35英镑。
4. while的近义词
4. 虽然;尽管
You use while, before making a statement, in order to introduce information that partly conflicts with your statement.
e.g. While the numbers of such developments are relatively small, the potential market is large...
尽管这种增长的数量相对较小，但是潜在的市场是巨大的。
e.g. While the modelling business is by no means easy to get into, the good model, male or female, will always be in demand...
尽管模特行业绝不是那么容易进入的，但是好的模特，不论男女，总是需要的。
名词和动词用法（NOUN AND VERB USES）
1.
2. 一段时间;一会儿
A while is a period of time.
e.g. They walked on in silence for a while...
他们默默地走了一会儿。
e.g. He was married a little while ago...
他不久前刚刚结婚。
3. 不断;一直;始终
You use all the while in order to say that something happens continually or that it happens throughout the time when something else is happening.
e.g. All the while the people at the next table watched me eat.
我吃东西的时候邻桌的人一直在看我。
4. once in a while -> see once
worth your while -> see worth
相关词组：while away
1. While Li said he had not had contact with Wu in the past, police discovered they had done business together when Wu operated a television media company.
2. The liberal use of business expenses for personal enjoyment is also corrupt, while being good for the Macao gaming industry.
3. Some 62 percent of the city's total travel expenses are spent on business trips, while more than 60 percent of Fortune 500 companies are already located here.
4. And while game consoles aren't going away, analysts are skeptical that the business will regain its former stature soon.
5. While continuing the model's inherited luxurious and stylish design language, the business edition offers a larger interior to meet the specific demands of Chinese customers.
6. The official language of Tajikistan is Tajik while Russian is widely spoken in business and for government purposes.
7. Qin also reiterated that foreign Internet operators should respect Chinese law while doing business in the country.
8. Lam said the bank hopes to focus on developing its loan business in southern China, while its main operations in the north will be taking in deposits.
9. While Chinese machine tool producers are looking to gain international presence, leading global groups are also seeking business opportunities in China.
10. Six are former officials at local sports lottery administrative centres, while the others were a private business man and his five partners.