focus
gb/fˈoʊkəs/ us/fˈoʊkəs/
A2
英語
~ 2300
語義
0件の語義
動詞
A2
action
1
Direct attention or effort
To give all your attention to one thing.
用法パターン：
to focus on [something]
よくある間違い：
Learners sometimes confuse 'focus' with 'concentrate' but forget to use 'on' after 'focus' when followed by a noun or gerund.
類義語
concentrate (Very close in meaning; slightly more formal in some contexts.)
対義語
distract (Opposite in that it pulls attention away from something.)
コロケーション
focus on details
|focus attention
|focus efforts
|focus on goals
|focus on work
テーマ
daily life
|work
|learning
|education
|core_vocabulary
例文
- She needs to focus on finishing her report before the deadline.
- The teacher asked the class to focus on the main idea of the text.
- He tried to focus his mind despite the noise around him.
- We must focus our efforts on finding a solution.
- Focus on what you can control, not what you can't.
学習者向け例文
- I need to focus on my homework.
- Please focus on the question.
- He focuses on his job every day.
- We should focus on the problem.
- She focuses on her studies.
名詞
A2
entity
2
Main point of attention
The thing or person people are paying most attention to.
用法パターン：
the focus of [something]
よくある間違い：
Learners may confuse 'focus' as a noun with 'focus' as a verb and use the wrong form in sentences.
類義語
center (Similar meaning when referring to the main point of attention; 'center' can be more literal or physical.)
対義語
periphery (Refers to the outer area, opposite of the central point.)
コロケーション
main focus
|shift focus
|lose focus
|narrow focus
テーマ
daily life
|communication
|core_vocabulary
例文
- The focus of the meeting was the budget.
- Her speech became the main focus of the evening.
- The new policy shifts the focus to renewable energy.
- He lost focus during the long lecture.
- The child's safety is our primary focus.
学習者向け例文
- The focus of the game is fun.
- The teacher is the focus in class.
- The focus of today is health.
- Her dress was the focus at the party.
- The book's focus is history.
動詞
technical
B1
action
3
Adjust optics for clarity
To move a camera or other lens so that something looks clear.
用法パターン：
to focus [a camera / lens] on [something]
よくある間違い：
Learners may confuse this sense with mental concentration and use it incorrectly in technical contexts.
類義語
adjust (General term for changing settings; not specific to optical clarity.)
対義語
blur (To make an image unclear or fuzzy.)
コロケーション
focus a camera
|focus a lens
|focus binoculars
テーマ
photography
|science
|technology
|arts_entertainment
例文
- She focused the camera on the bird in the tree.
- You need to focus the microscope before you can see clearly.
- He quickly focused his binoculars on the distant ship.
学習者向け例文
- I focus my camera on the cat.
- Focus the lens to see well.
- He focuses the microscope on the cells.
名詞
technical
B2
entity
4
Point where light rays meet
The place where light rays come together to make an image.
類義語
focal point (Technical term in optics; often interchangeable in scientific contexts.)
対義語
diffusion point (A place where light spreads out instead of converging.)
コロケーション
come into focus
|bring into focus
テーマ
science
|physics
|technology
例文
- The lens brings distant objects into sharp focus.
- Adjust the mirror until the light comes to a focus on the screen.
- In this telescope, the focus is located behind the main lens.
学習者向け例文
- The light comes to a focus here.
- Move the glass to find the focus.
- The lens makes a clear focus.
文法
辞書形
focus
IPA
GB/fˈoʊkəs/
US/fˈoʊkəs/
音節・強勢
fo - cus （2音節）
Stress on 1st syllable (fo)
活用形
Noun
- Base: focus
- Plural: foci, focus, focuses
Verb
- Base: focus
- 3rd Person Singular: focuses, focusses
- Present Participle: focusing, focussing
- Past: focused, focussed
- Past Participle: focused
関連語
Forms
foci
noun
focuses
noun
focusses
verb
focusing
verb
focussing
verb
focused
verb
focussed
verb
Related words
refocus
verb
focal
adjective B2
Negative and opposite forms
unfocused
adjective
表現
bring into focus
1/bɹˈɪŋ ˈɪntu fˈoʊkəs/
idiom
Make something clear or understandable
To make something easier to see or understand.
例文
- This report brings into focus the need for reform.
- He brought the picture into focus by turning the knob.
come into focus
1/kˈʌm ˈɪntu fˈoʊkəs/
idiom
Become clear or understandable
To become easier to see or understand.
例文
- The plan began to come into focus after several meetings.
- As I adjusted the lens, the mountain came into focus.
focus on
1/fˈoʊkəs ˈɔn/
fixed phrase
Give attention to something specific
To give all your attention to one thing.
例文
- We need to focus on customer service this year.
- She focuses on her art every weekend.
in focus
1/ˈɪn fˈoʊkəs/
fixed phrase
Clear and sharp image or idea
When something looks clear or is easy to understand.
例文
- Make sure the photo is in focus before you take it.
- Her explanation really brought the issue into focus.
out of focus
1/ˈaʊt əv fˈoʊkəs/
fixed phrase
Blurry image or unclear idea
When something looks blurry or is not easy to understand.
例文
- The picture is out of focus because I moved the camera.
- His mind was out of focus after working all night.