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TOEFL IELTS BNC: 1918 COCA: 688

focus

Word family 
Related topics: Optics, Physics
fo·cus1 /ˈfəʊkəs $ ˈfoʊ-/ ●●○ S3 W2 AWL verb (focused or focussed, focusing or focussing)
1  give attention to STH 給予某物關注 [intransitiveI, transitiveT]ATTENTION to give special attention to one particular person or thing, or to make people do this （把…）集中（於） SYN concentrate
focus on
He needs to focus more on his career.
他需要更加關注自己的事業。
focus your attention/mind/efforts on something
She tried to focus her mind on her work.
她試圖集中精神幹活。
focus (somebody’s) mind/attention (on something) (=make people give their attention to something) 集中（某人的）注意力（於某物上）
We need to focus public attention on this issue.
我們需要把公衆的注意力集中到這個問題上來。
n Grammar
You say:
We focused on two main issues.
✗Don’t say: We focused in two main issues.
2  camera/telescope 相機/望遠鏡 [intransitiveI, transitiveT]HPO to point a camera or telescope at something, and change the controls slightly so that you can see that thing clearly 〔對準某物〕調焦，調節（…的）焦距
focus on
She turned the camera and focussed on Martin’s face.
她轉過鏡頭，對準馬丁的臉。
focus something on something
He focused his binoculars on the building opposite.
他把雙筒望遠鏡對準對面的建築物。
3  eyes 眼睛 [intransitiveI, transitiveT]HPOHBA if your eyes focus, or if you focus your eyes, you look at something and can see it clearly （使） 對準，（使）聚焦
focus on
All eyes focussed on her.
所有的眼睛都盯着她。
His eyes were focussed straight ahead.
他的雙眼盯着正前方。
4. light 光 [transitiveT]HPO if you focus beams of light, you aim them onto a particular place 使聚焦，使集中
Examples from the Corpus
focus• It took a long time to focus and get rid of the swimming water.• Any work undertaken on an individual basis should always focus attention on the broader social context in which the individual lives.• By which is meant that they have developed their ability to focus both senses and mind upon a thought process.• He stared out the window for a moment, trying to focus his thoughts.• It warns policymakers not to get tangled up with averages but to focus instead on increments.• The companies Uunet and Digex, for example, have dropped consumers to focus on business markets.• At least, he said, he could focus on his other math class.• Research will focus on the people living in the estates in east Middlesbrough.• In the way that you use a camera, you can focus your mind either on positive or negative factors.
focus (somebody’s) mind/attention (on something)• Eating behaviour is disturbed and must be the focus of explicit attention.• It is as if within the wider panorama particular topics become a focus of especial attention.• The truth was that by 1988 the television audience had entirely replaced the convention delegates as the focus of attention.• In the way that you use a camera, you can focus your mind either on positive or negative factors.• I believe that the focus of attention is shifting from curriculum content to how best to teach science.• The firm eventually settled on a strategy of attempting to focus public attention on its superior sales staff and customer service.• These might well involve those selective-attention circuits passing through the left thalamus that focus attention on verbal information such as object names.• Where absenteeism does become a focus of management attention, there are very tangible improvements.
focus2 ●●○ S3 W2 AWL noun
1  [singular]SUBJECT the thing, person, situation etc that people pay special attention to 焦點，重點 → focal
The focus of recent research has been on environmental issues.
近期的研究重點是環境問題。
focus of
The war in Afghanistan had become the focus of media attention.
在阿富汗發生的戰爭已成爲媒體關注的焦點。
The focus of interest in the series is what goes on in everyday life.
這部連續劇關注的焦點是日常的生活瑣事。
Another focus of feminist debate has been the film industry.
女權主義辯論的另一個焦點是電影業。
I shall now turn to the main focus of this essay.
現在我來講講這篇文章的要點。
Eggs became the focus for the food poisoning scare.
雞蛋成了食物中毒恐慌的焦點。
The focus of the conference shifted from population growth to the education of women.
會議的重點由人口增長問題轉移到了婦女教育問題。
2  [uncountableU]ESPECIALLY if your focus is on something, that is the thing you are giving most attention to 〔注意力的〕集中點，中心點
focus on
Our main focus is on helping people get back into work.
我們關注的重點是幫助人們再就業。
a shift of focus
重心的轉移
3  come into focus/bring something into focus if something comes into focus, or you bring it into focus, people start to talk about it and pay attention to it 成爲焦點/使某事成爲焦點
These issues have recently come into sharp focus (=people have started to talk about them a lot).
這些問題近來已成了熱門的焦點。
Examples from the Corpus
sharp focus• At most ski resorts, large and small, there has been a sharper focus on day-care facilities and staff.• The banning of the annual sea dump brought the issue of nuclear waste disposal into even sharper focus.• That puts the importance of the order in sharp focus.• Everything was in sharp focus, the horizon was a clear line dividing sea and sky; more rain about.• In recent years this has been brought into sharp focus with growing public concern for a healthier and safer environment.• The picture of the rejection of femininity is thus brought into sharper focus.• Programs designed to motivate patients into leaving voluntarily brought into sharp focus conflicting institutional dynamics inherent in the leprosarium setting.• The lack of sharp focus in this field is a serious obstacle to comparison of analyses and to proper explanation.
4. in focus/out of focus HPOif a photograph or an instrument such as a camera is in focus, you can see the picture clearly. If it is out of focus, you cannot see the picture clearly. 〔照片、相機等〕焦點對準/沒有對準，對焦/失焦
5  [uncountableU] the clearness of the picture seen through an instrument such as a camera 〔相機等成像的〕清晰度，焦點
He raised his binoculars and adjusted the focus.
他舉起雙筒望遠鏡，調整焦距。
n COLLOCATIONS – Meanings 1 & 2
adjectives
the main focus
The main focus of our attention will be on providing an efficient service.
the central focus (=most important)
The film’s central focus is the relationship between the two women.
the primary focus (=main or most important)
The economic situation is likely to be the primary focus of the discussion.
verbs
become the focus
When you give a talk you become the focus of attention.
provide a focus
The church provided a focus for the community.
change the focus
He changed the focus from general to specific issues.
shift the focus (=move it to something else)
Opposition MPs accused the prime minister of trying to shift the focus onto other issues.
the focus changes/shifts
The focus of the negotiations shifted to working conditions.
phrases
the focus is on something
The focus is now on improving students’ communication skills.
the focus of attention
In this section of the talk the focus of attention will be on statistics.
a focus of interest
Animal behaviour has long been a focus of interest for scientists.
the focus of debate (=the thing which people are discussing)
The strike became the focus of debate in the media.
the focus of concern (=the thing which people are worried about)
The spread of the disease has become the main focus of concern.
a change/shift in focus
Over the years, there has been a change of focus from treatment to prevention.
Examples from the Corpus
focus• The science needed a change of direction, a new focus.• Our focus, they say, should henceforth be directed to the secondary years.• And this, too, was a consequence of sheer experience and of the pedagogical focus.• The play made David and his anguish the primary focus.• The powers that be were not interested in continuing that serious focus on the black experience.• The organization has a simple focus - keeping kids in school.• Three of the company of eight are in wheelchairs - but the focus is always on dance, not disability.• Just for once, let's keep the focus on it.• The focus of the drama shifts to discovering the dangers, and weighing up pros and cons of using the magic carpet.
became the focus for• The symbolic resonance of the work altered as the killings at Kent State became the focus for anti-war activism.
shift of focus• A deliberate shift of focus for health promotion could encourage people in their 20s to give up smoking.• Concern about death and the circumstances in which it will occur increases the shift of focus to security goals.
From Longman Business Dictionary
focusfo·cus /ˈfəʊkəsˈfoʊ-/ noun [uncountableU]MARKETING
when a company tries to serve particular groups of customers in a market with particular needs, rather than trying to serve the whole market
—focuser noun [countableC]
The focuser seeks to achieve a competitive advantage in its target segments even though it does not possess a competitive advantage overall.
Origin focus1
(1600-1700) Latin “hearth (= place for a fire in a house)”

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