带有up和down的动词短语常用来表示某种品质的增加或减少。每个表示某种特质的用法后面都有意义相近的动词或简短的解释。每个带有up或down的动词短语后面都有两个例句。下面是一个例子：
Up = Increase in Value
增值
Down = Decrease in Value
贬值
to put up (S) = to raise
提高
The supermarket put coffee prices up in January.
一月份，超市的咖啡涨价了。
to bring down (S) = to reduce
减少
The recession brought profits down sharply.
经济萧条使得利润剧减。
Remember that phrasal verbs can be either separable or inseparable. Each phrasal verb is also marked as separable (S) or inseparable (I). In the case that verbs are separable, examples will use the separable form of the phrasal verb. For inseparable phrasal verbs, examples keep the phrasal verbs together.
记住，动词短语既可以是可分割（separable）的，又可以是不可分割（inseparable）的。当动词可以分割时，我们引用的就是动词短语分割的例子。对于不可分割的动词短语，我们举出的就是动词短语连用的例子。
Phrasal Verbs with Up
含有up的动词短语
Up = Increase in Value
增值
to put up (S) = to raise
上升（S）
We'll have to put our prices up to compete.
我们也会提高价格来参与竞争。
Have they put the price of corn up recently?
最近他们的玉米涨价了吗？
to go up (I) = to increase
增加（I）
The price of gas went up in March.
三月份油价上涨了。
Our rent went up in January.
一月份我们的租金上涨了。
Up = Increase in Size
尺寸变大
to bring up (S) = to raise (usually children)
抚养（通常是小孩）（S）
They brought their children up to be responsible adults.
他们将孩子养大成人。
We're bringing up two children.
我们会把两个孩子抚养长大。
to grow up (I) = to become older
年纪增长（I）
You've grown up since I last saw you.
你比我上次见到你时长大了。
The children grew up so fast.
孩子们长得真快。
Up = Increase in Speed
速度加快
to speed up (I) = to go faster in a vehicle
交通工具行驶速度加快（I）
He quickly sped up to sixty miles an hour.
他很快将速度加到每小时六十英里。
His motorcycle can speed up to 100 quickly.
他的摩托车速度可以很快达到100英里每小时。
to hurry up (I) = to do something faster, to get ready faster
做某事速度放快，快点做准备（I）
Could you please hurry up?!
你能快点吗？！
I'll hurry up and finish this report.
我会加快速度完成这篇报告。
Up = Increase in Heat
温度上升
to heat up (S) = to make hotter
加热（S）
I'll heat the soup up for lunch.
我会把汤热一热作为午餐。
What should I heat up for dinner?
晚餐我该热点什么吃呢？
to warm up (S) = to make hotter
加热（S）
I'll warm this soup up for lunch.
我会把汤热一热当午餐。
Would you like me to warm your tea up?
我来帮你把茶热一下吧？
Up = Increase in Happiness, Excitement
更加快乐、兴奋
to cheer up (S) = to make someone happier
使某人更快乐（S）
Can you cheer Tim up?
你能为蒂姆鼓鼓劲吗？
I think we need to cheer them up with a song or two.
我觉得，咱们应该用一两首歌为他们加油。
to liven up (S) = to make something more fun
使某事更加有趣（S）
Let's liven this party up with a game.
我们来玩玩游戏，为聚会更有气氛吧。
We need to liven this meeting up.
我们要使会议更有趣味性。
Up = Increase Sound
音量加大
to turn up (S) = to raise the volume
调大音量（S）
Please turn the radio up.
请把收音机音量调大点。
I like to turn the stereo up when nobody is home.
家里没人时，我会把音响声音调大。
to speak up (I) = to speak with a stronger voice
说话音量加大（I）
You need to speak up for people to understand you.
你说话声音要大点，好让别人听清。
Please speak up in this room.
在这里说话声音要大点。
Up = Increase in Strength
加大力度
to build up (S) = to increase over time
逐渐增加
It's important to build your muscle strength up over time.
慢慢锻炼肌肉很重要。
They've built up an impressive stock portfolio.
他们已经加大了股票投资。
to pick up (I) = to improve over time
逐渐改善（I）
My health has picked up over the past few days.
这段时间以来，我的身体慢慢好转了。
The stock market has picked up recently.
最近股票市场逐渐走热。
Phrasal Verbs with Down
含down的动词短语
Down = Decrease in Value
贬值
to bring down (S) = to reduce
减少（S）
They bring down prices after Christmas.
圣诞节后，他们降价了。
The summer brought heating oil prices down.
这个夏天，燃料油价格下降了。
to go down (I) = to decrease
减少（I）
The value of the house went down during the recession.
经济萧条期间，房价下跌了。
Gas prices have gone down dramatically over the past few months.
这几个月以来，油价剧烈下跌。
to cut down (S) = to reduce the value of
贬值
We've cut our research and development budget down significantly.
我们已经大大减少了研究和发展的预算。
They've cut their investments down to half.
他们已经将投资减少了一半。
Down = Decrease in Speed
速度放慢
to slow down (I) = to reduce your speed
减速（I）
Slow down when you drive into town.
在城镇行驶时，注意减速。
My car slowed down and stopped at the intersection.
我的车慢慢减速，停在了市镇。
Down = Decrease in Temperature
温度下降
to cool down (S) = to a lower temperature
降温
You'll cool down after you stop exercising.
兴奋过后，你的体温会降下来。
This cool towel will cool you down.
冷毛巾会让你的体温降下来。
Down = Decrease in Excitement
冷静下来
to cool down (S) = to relax
放松（S）
I need to take a moment to cool down.
我需要一会儿时间放松下来。
Tom should cool his friend down so we can continue the meeting.
汤姆应该让他的朋友放松下来，我们才能继续会议。
to calm down (S) = to make less excited
平静下来（S）
I calmed the children down with a movie.
我用看电影的方式让孩子们安静下来。
It took him a while to calm down after the meeting.
开完会后片刻，他才安静下来。
Down = Decrease in Volume
调小音量
to turn down (S) = to reduce the volume
调小音量（S）
Could you please turn that music down?
能请你把音乐声音调小一点吗？
I think you should turn the volume down on the radio.
我觉得你应该把收音机的音量调小一点。
to keep down (S) = to remain soft
保持柔和（S）
>Please keep your voices down in the library.
图书馆里要保持安静。
I'd like you to keep it down in this room.
我想请你在这里保持安静。
to quieten down (S) = to encourage someone to become quieter
让某人安静一点（S）
Could you please quieten your children down?
你能让你的孩子们安静一点吗？
I'd like you to quieten the class down.
我想请你管好班上的纪律。
Down = Reduce Strength
减少浓度
to water down (S) = to reduce the strength of something (often alcohol)
降低某物的浓度（经常是在酒后）
Could you water this martini down?
你能在马蒂尼里加点水一下吗？
You need to water down your argument.
你需要淡化你的观点。
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