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。