act

act 1 S1 W1 / ækt / 名词 #

1 action [可数名词] one thing that you do :

The new president’s first act should be to end the war.

a thoughtless act

act of (doing) something

an act of violence

her many acts of kindness

The act of writing a list can help to calm you down.

in the act of doing something (= at the moment that you are doing something )

Lindsay paused in the act of putting down the phone.

Register

In everyday English, people usually say a thoughtless/kind/stupid etc thing to do rather than a thoughtless/kind/stupid etc act .

2 law ( also Act ) [可数名词] a law that has been officially accepted by Parliament or Congress :

the Housing and Community Development Act of 1977

an act of Parliament

3 pretending [单数形式] insincere behaviour in which you pretend to have a particular kind of feeling or to be a particular kind of person :

Mike played the loving husband in front of the children but it was all an act.

Be natural. Don’t feel you have to put on an act .

4 get your act together informal to become more organized and behave in a more effective way, especially in order to achieve something :

You need to get your act together if you’re going to find the right house to buy.

5 play [可数名词] one of the main parts into which a stage play, opera etc is divided :

I arrived at the theatre late and missed the first act.

the beginning of Act 3

6 performance [可数名词] a short performance on stage or television by someone who plays music or tells jokes :

The argument was just part of their act.

7 performer [可数名词] a performer or a group of performers who perform together :

The band is one of many acts that have been booked for the concert.

8 a hard/tough etc act to follow someone who does such an excellent job that it would be difficult for someone doing the same job after them to be as good :

He has been a very successful captain and will be a hard act to follow.

9 get in on the act informal to take part in an activity that someone else has started, especially in order to get a share of the advantages for yourself

10 act of God an event that is caused by natural forces, such as a storm, flood, or fire, which you cannot prevent or control

11 act of worship an occasion when people pray together and show their respect for God

12 balancing/juggling act a situation in which you are trying to do several different types of work at the same time

13 do a disappearing/vanishing act to be impossible to find when you are needed

→ catch somebody in the act at catch 1 ( 3 ) , → clean up your act at clean up ( 3 )

COLLOCATIONS

名词

an act of violence/aggression Incidents of sexual harassment and acts of violence against women were on the increase.

an act of kindness/love We were grateful for her act of kindness.

an act of faith (= when you do something that shows you trust someone completely ) The signing of the treaty with Britain was an act of faith.

an act of terrorism (= when someone kills people or bombs a place for political reasons ) It was the worst act of terrorism in US history.

an act of vandalism (= when someone deliberately damages things, especially public property ) These mindless acts of vandalism affect the whole community.

an act of defiance (= when you refuse to obey or respect someone ) As an act of defiance Leigh dropped out of high school a month before graduation.

an act of courage/bravery The men were awarded the medals for acts of courage.

形容词

a criminal/illegal/unlawful act Starting the fire was a highly irresponsible criminal act.

a violent/aggressive act We will track down those responsible for this violent act.

terrorist acts terrorists acts like the Oklahoma City bombing

a cowardly act (= not at all brave ) The United States strongly condemns this cowardly act by murderous extremists.

a heroic act (= very brave ) Ordinary people sometimes find themselves performing heroic acts.

a deliberate/conscious act Clearly this was a deliberate act of vandalism.

a symbolic act (= something you do to express an idea or feeling ) The Tibetan climber will pass the Olympic flame to his Chinese partner in a symbolic act of friendship.

动词

commit an act formal (= do something wrong or illegal ) Anyone committing an illegal act deserves to be punished.

perform an act (= do something, especially something difficult or useful ) The nurses performed many small acts of kindness.

COLLOCATIONS

动词

pass an act Once Parliament has passed an act, it becomes the law of the land.

introduce an act In 1961, before the Divorce Law Reform Act was introduced, the divorce rate was only 2.1%.

amend an act (= make small changes ) In 1978 the act was amended to make the earliest mandatory retirement age 70.

repeal an act (= officially end it ) The Act was repealed by the incoming Labour government.

an act becomes law In the 40 years since the Abortion Act became law there have been repeated attempts to amend or repeal it.

an act comes into force Since the act came into force, all public buildings must have disabled access.

an act prohibits something Section 47 of the Act prohibits the making of misleading statements to the police.

THESAURUS

action 名词 [可数名词] something that someone does : He is responsible for his own actions. | They refused to give a reason for their actions.

act 名词 [可数名词] a particular type of action : violent acts | act of violence/kindness/defiance etc : I believe the killing was an act of desperation.

activities 名词 [复数形式] things that people do, especially for enjoyment or to achieve an aim : leisure activities | political activities | Surveys may not give a true picture of people’s activities.

behaviour British English , behavior American English 名词 [不可数名词] the things that someone does and the way they behave : Do you think that advertisements really influence people’s behaviour? | The man’s behaviour seemed rather odd.

move 名词 [可数名词] something that you do in order to achieve something : Her decision to sell the shares had been a smart move. | It’s a bold move to start a business in the current economic climate. | He needed time to figure out his next move.

step 名词 [可数名词] one of a series of things that you do in order to deal with a problem or to succeed : The first step is to make sure we have got funding for the project. | We must take steps to make sure that this does not happen again. | This is an important step towards peace.

measure 名词 [可数名词] an official action that is intended to deal with a particular problem : There are increased security measures at airports. | The school was closed as a precautionary measure following a chemical leak.

gesture 名词 [可数名词] something that you do to show how you feel about someone or something : Do you think it would be a nice gesture to send her some flowers? | gesture of goodwill/solidarity/defiance : The company gave us £100 as a gesture of goodwill.

deed 名词 [可数名词] especially literary an action, especially one that is very good or very bad : evil deeds | heroic deeds | This is my good deed for the day .

exploits 名词 [复数形式] formal exciting or brave actions : daring exploits | His exploits were legendary.

feat 名词 [可数名词] something someone does that people admire because you need a lot of skill, courage, or strength to do it : Completing a marathon is a remarkable feat for a six-year-old. | The bridge is a great feat of engineering.

act S2 W1 动词 #

1 do something [不及物动词] to do something in a particular way or for a particular reason :
The company acted correctly in sacking him. The jury decided that Walker had acted in self-defence. act to do something The UN must act now to restore democracy. Politicians will only act when enough people demand that they do something.

Register In everyday English, people often use expressions like do the right thing or do a brave thing rather than use act with an adverb such as correctly or bravely : They acted correctly in telling her. ➔ They did the right thing in telling her. When act is used alone to mean ‘take action’, in everyday English people usually just say do something : We have to do something now. 2 behave [ intransitive always + adverb/preposition ] to behave in a particular way :
They acted unreasonably when they turned down Jill’s application. He’s been acting strangely ever since his Mom died. act as if Pip acted as if he was better than everyone else. act like Stop acting like a baby. act with She acted with dignity. act your age (= used to tell someone to behave in a more adult way, suitable for someone of their age ) 3 pretend [不及物和及物动词] to pretend to have feelings, qualities etc that are different from your true ones :
When he’s angry, he acts the fool. That guy is acting crazy. act a part/role Stella felt unnatural in their company, as if she was acting a part. act as if/like Why does he act as if he was stupid? 4 play/film [不及物和及物动词] to perform in a play or film :
I first started acting when I was 12 years old. act a part/role She is acting the role of Lady Macbeth six evenings a week. The movie is very well acted. 5 have an effect [不及物动词] to have an effect or use act as The padding acts as a cushion if the player falls or is hit by the ball. act on Disinfectants act on bacteria in two main ways. 6 act for somebody/act on sb’s behalf to represent someone, especially in a court of law or by doing business for them :
Makin, a solicitor, is acting for the young people in their case against the county council. I am acting on behalf of the bank. → acting 1

act as something phrasal verb to do a particular job for a short time, for example while the usual person is absent :
My brother speaks French – he can act as interpreter.

act on/upon something phrasal verb to do something because of another person’s advice or order, or because you have received information or had an idea :
She is acting on the advice of her lawyers. Police say they acted on information received.

act something ↔ out phrasal verb 1 if a group of people act out an event, they show how it happened by pretending to be the people who were involved in it :
The children were acting out the story of the birth of Jesus. 2 to express your feelings about something through your behaviour or actions, especially when you have been feeling angry or nervous :
These teenagers are likely to act out their distress by running away.

act up phrasal verb 1 if children act up, they behave badly :
He’s a tough kid and he acts up a lot. 2 if a machine or part of your body acts up, it does not work properly :
The computer is acting up again.