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IELTS BNC: 225 COCA: 271
powernounuk/paʊər/ us/ˈpaʊ.ɚ/

power noun CONTROL

B2 [ U ] ability to control people and events影响力；操控力；势力

I've no power over him - he does what he wants to.我管不了他——他想干什么就干什么。
Once nicotine has you in its power, it's very difficult to stop smoking.一旦尼古丁对你起了作用，戒烟就很难了。
She has the power to charm any man she meets.她有魅力令她碰见的每个男子都神魂颠倒。

C1 [ U ] the amount of political control a person or group has in a country权力；政权

Does the president have more power than the prime minister?总统是否比总理权力更大？
How long has the Conservative Party been in power?保守党当政多久了？
The army seized power after five days of anti-government demonstrations.反政府示威5天后，军方夺取了政权。

More examples

After eight years in power, the government can no longer use the previous government's policy as an alibi for its own failure.

Until the constitution is amended, the power to appoint ministers will remain with the president.

Fair trade, say Oxfam, is about giving poor people power.

The army took control of the city after the president's fall from power.

Most modern kings and queens rule only in a formal way, without real power.

power noun STRENGTH

C1 [ U ] strength力，力量

Our car doesn't have enough power to tow a trailer.我们的轿车功率不够大，拖不动拖车。
Weightlifters have tremendous power in their arms and legs.举重运动员的臂力和腿力极大。
Scientists are working to harness the power of the atom.科学家们正在研究如何利用原子能。
The economic power of many Asian countries has grown dramatically in recent years.近年来许多亚洲国家的经济实力有了显著的增长。

More examples

The pictures were an eloquent reminder of the power of the volcano.

The Kon-Tiki sailed across the Pacific Ocean propelled by wind power.

I was so terrified I seemed to lose all the power from my legs.

It is astonishing to see the sheer power of this extraordinary athlete.

The power of her religious faith is clear for all to see.

We were struck by the power of the dancers' performances.

power noun OFFICIAL RIGHT

[ U ] an official or legal right to do something权力，权限；职权

[ + to infinitive ] I'd like to help but I don't have the power to intervene in this dispute.我很想帮忙，但我无权介入此纠纷。
It's not in your power to cancel the order.你无权取消这份订单。
I can't give you a refund - I'm afraid it's not within my power.我不能给你退款——这恐怕不在我的职权范围内。
powers [ plural ]

authority权力，职权，权势

You were acting beyond your powers when you agreed to give her a pay rise.你答应给她加薪，这是在越权行事。
Visitors to the city are respectfully reminded of the council's powers to remove illegally parked vehicles.到该市游览的游客收到礼貌的提醒，市政委员会有权拖走违章停放的车辆。

More examples

Since the government limited their powers, the unions are no longer a force to be reckoned with .

I'll do everything within my power as a lawyer to achieve justice for you.

The power to sack employees resides in the Board of Directors.

He has been vested with the power to implement whatever changes he sees fit.

They have the power to say yes or no to big investment projects.

power noun ELECTRICITY

B1 [ U ] electricity, especially when considering its use or production电力

You should disconnect the power before attempting to repair electrical equipment.在检修电气设备之前应先切断电源。
Our building lost power (= the electricity was stopped) during the storm.暴风雨中我们的房子断电了。
power cables/lines电缆／线

More examples

Most of the data on the hard drive was corrupted by the power cut.

Solar power is the conversion of the sun's energy into heat and electricity.

The storm has affected power lines all over the region.

a hydroelectric power station

a nuclear power plant

power noun ABILITY

powers [ plural ]

abilities能力，本领

My mental powers aren't as good as they used to be.我的脑力不如以前了。

More examples

Environmentalists are doing everything within their power to minimize the impact of the oil spill.

We humans believe that we are the only animals to have the power of reason.

Solving this problem has taken all my brain power.

I'll do everything in my power to help you, but I can't guarantee success.

Why don't you use your powers of persuasion to convince them?

C1 [ U ] a natural skill or an ability to do something能力，本领

He was so shocked by what happened to his parents that he lost the power of speech.发生在他父母身上的事使他惊呆了，他一句话也说不出来。
[ + to infinitive ] The surgeon did everything in her power to save him.医生竭尽全力抢救他。

power noun PERSON WITH CONTROL

C1 [ C ] a person, organization, or country that has control over others, often because of wealth, importance, or great military strength掌握大权的人；有影响力的机构；强国

Spain was an important military power in the 16th century.西班牙在16世纪是一个军事强国。
Germany is on its way to becoming a world power with a permanent seat on the UN Security Council.德国正在努力成为世界强国，谋求成为联合国安理会常任理事国。
She is an increasingly important power in the company.在公司中她的权力越来越大。

More examples

a dominant military power

This country would never submit to living under the heel of a foreign power.

an imperialist power

The major powers have said they will not send in ground troops .

It's up to the powers that be to decide what should be done next.

power noun ENERGY

[ U ] specialized physics the rate at which energy is used, or the ability to produce energy动力，功率

The ship was only slightly damaged in the collision and was able to sail into port under its own power.船在撞击中只是轻微受损，仍可依靠自身的动力驶入港口。
The power rating of my amplifier is 40 watts per channel.我的扬声器的功率（级别）是每声道40瓦。

power noun IMAGE SIZE

[ U ] the amount by which an image is increased by a device used for seeing things that are very small or a long distance away放大率；放大倍数

What's the magnification power of your binoculars?你的双筒望远镜的放大倍数是多少？
You'll need a very high-power microscope to see something as small as that.要观察那么小的东西，你需要一台高倍显微镜。
A low-power telescope is enough if you only want to look at the moon.只观看月相用低倍望远镜就足够了。

power noun MATHEMATICS

[ S ] specialized mathematics the number of times that a number is to be multiplied by itself幂，乘方

2 to the fourth power is 2 times 2 times 2 times 2, which equals 16.2的4次方就是2乘2乘2乘2，等于16。
3 to the power 4 is usually written as 34.3的4次方通常写作34。

Idiom(s)

do sb a power of good
more power to your elbow!
the power behind the throne
the powers that be
powerverbuk/paʊər/ us/ˈpaʊ.ɚ/

power verb ENERGY

[ T ] to provide a machine with energy and the ability to operate为…提供动力，驱动

Buses and trucks are usually powered by diesel engines.公共汽车和卡车通常是由柴油机驱动的。
Electricity costs less than petrol, so powering an electric vehicle is cheaper.电比汽油的成本低，所以电动力车会比较省钱。

power verb STRENGTH

[ I usually + adv/prep ] to act with great strength or in a forceful way增加力量；奋力行动

Halfway through, she powered into the lead and went on to win the race.到半程时，她加速冲到前面，一直领先，赢得了赛跑冠军。

Phrasal verb(s)

power through (sth)
power (sth) up

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