sharpen
gb/ʃˈɑɹpən/ us/ʃˈɑɹpən/
A2
英語
~ 9700
語義
0件の語義
動詞
A2
action
1
make a blade or point sharp
To make the edge or point of something sharp so it can cut or write better.
用法パターン：
to sharpen [something]
よくある間違い：
Learners sometimes say *make it more sharp* instead of *sharpen it*. Use the verb *sharpen* when talking about making a tool, knife, or pencil sharp.
類義語
hone (More often used for blades and tools, slightly more technical or formal.)
|
grind (Focuses on the physical process of wearing something down, not always to make it sharp.)
対義語
dull (Means to make an edge less sharp so it does not cut well.)
コロケーション
sharpen a pencil
|sharpen a knife
|sharpen the blade
|sharpen the point
|sharpen the scissors
|sharpen tools
テーマ
daily life
|tools
|work
|daily_life
例文
- He took the knife outside to sharpen it on the stone.
- Can you sharpen this pencil for me before the meeting?
- The chef always sharpens her knives before service.
- The hunter stopped to sharpen the point of his arrow.
- Use this tool to sharpen your garden shears once a month.
学習者向け例文
- I need to sharpen my pencil.
- The cook sharpens the big knife every day.
- He used a stone to sharpen the old blade.
- Please sharpen these scissors; they do not cut well.
- She went to the machine to sharpen her colored pencils.
動詞
B2
action
2
improve a skill or ability
To make a skill or ability better and more exact, usually by practice.
用法パターン：
to sharpen [someone's] [skill/ability]
よくある間違い：
Learners may say *make my skills more sharp* instead of *sharpen my skills*. Use *sharpen* directly with abstract nouns like *skills*, *abilities*, or *strategy*.
類義語
refine (Suggests making small, careful improvements to something already good.)
|
develop (Broader and more general; does not always suggest precision or fine-tuning.)
対義語
neglect (If you neglect a skill, you do not practice it, so it becomes weaker instead of sharper.)
コロケーション
sharpen your skills
|sharpen your English
|sharpen your game
|sharpen their strategy
|sharpen professional skills
|sharpen your writing
テーマ
education
|work
|self-improvement
例文
- The course is designed to sharpen your communication skills.
- Playing chess regularly can sharpen your strategic thinking.
- She moved abroad to sharpen her language skills.
- The team hired a coach to sharpen their defense before the tournament.
- Reading every day will sharpen your writing style over time.
学習者向け例文
- I want to sharpen my English before I travel.
- This class helps students sharpen their speaking skills.
- Practice will sharpen your guitar skills.
- He watches games to sharpen his understanding of football.
- The company offers training to sharpen workers' computer skills.
動詞
B2
action
3
intensify or clarify senses or feelings
To make a feeling, sense, or attention stronger and clearer.
用法パターン：
to sharpen [abstract noun]
よくある間違い：
Learners sometimes overuse *increase* and do not use *sharpen* with abstract nouns. Use *sharpen* when the feeling or attention becomes not only stronger, but also more clear or focused, as in *sharpen your focus* or *sharpen awareness*.
類義語
heighten (Stresses making something stronger, especially feelings or awareness, without the idea of precision.)
|
intensify (Focuses on strength, not on clarity or accuracy.)
対義語
dull (In this abstract sense, *dull* means to weaken feelings or reduce attention and awareness.)
コロケーション
sharpen your focus
|sharpen the senses
|sharpen awareness
|sharpen the appetite
|sharpen tensions
|sharpen expectations
テーマ
emotions
|psychology
|daily life
|health
例文
- Coffee in the morning helps sharpen my focus.
- The cold air seemed to sharpen her senses as she stepped outside.
- The crisis only served to sharpen public anger at the government.
- Living abroad can sharpen your awareness of cultural differences.
- The smell of garlic and herbs sharpened his appetite.
学習者向け例文
- A short break can sharpen your focus.
- The strong smell of food sharpened my hunger.
- The loud noise sharpened his fear.
- Travel can sharpen your awareness of other cultures.
- The teacher asked a question to sharpen the students' attention.
動詞
B2
action
4
make image or sound clearer
To make a picture, video, or sound clearer and easier to see or hear, often with a computer tool.
用法パターン：
to sharpen [image/sound/line]
よくある間違い：
Learners may confuse *sharpen* with *zoom* or *enlarge*. *Sharpen* is about clarity and detail, not about size.
類義語
enhance (General term for improving quality; does not specifically refer to edges or contrast.)
|
clarify (Can be used for sound or image, but is less technical and more general than *sharpen*.)
対義語
blur (Means to make an image or line less clear and less sharp, often the direct opposite action in editing.)
コロケーション
sharpen the image
|sharpen the photo
|sharpen the picture
|sharpen the edges
|sharpen the sound
|sharpen the contrast
テーマ
technology
|media
|art
例文
- Use this filter to sharpen the image before printing.
- The editor asked the designer to sharpen the logo so it looks crisp on screen.
- You can sharpen the photo slightly to bring out more detail.
- The audio engineer managed to sharpen the sound of the singer's voice.
- Zooming in too far will make it hard to sharpen the picture properly.
学習者向け例文
- I used an app to sharpen the photo.
- This tool can sharpen the lines in your drawing.
- She tried to sharpen the picture, but it was too dark.
- The program lets you sharpen the edges of the image.
- He clicked a button to sharpen the sound in the video.
動詞
C1
action
5
become sharp, clear, or intense
To get sharper, clearer, or stronger by itself, without someone directly making it so.
用法パターン：
[something] sharpens
よくある間違い：
Learners sometimes use *sharpen* only as a transitive verb. It can also be intransitive, as in *the image sharpened* or *tension sharpened*.
類義語
intensify (Stresses strength; *sharpen* also suggests clarity or definition.)
|
clarify (Similar when talking about ideas or images becoming clearer, but less about edges or precision.)
対義語
blur (When an image or boundary blurs, it becomes less sharp or clear, the opposite of sharpening.)
コロケーション
image sharpens
|focus sharpens
|tension sharpens
|competition sharpens
|senses sharpen
|features sharpen
テーマ
daily life
|emotions
|situations
|core_vocabulary
例文
- As the fog lifted, the outline of the mountains slowly sharpened.
- The picture sharpened as the camera found its focus.
- Public debate sharpened in the weeks before the election.
- His features seemed to sharpen as he lost weight.
- Competition has sharpened over the past few years.
学習者向け例文
- When you turn the ring, the image sharpens.
- As the clouds moved, the view of the city sharpened.
- Before the test, students' attention sharpens.
- Over time, the conflict between the two groups sharpened.
- Her senses sharpened when she heard a strange sound.
文法
辞書形
sharpen
IPA
GB/ʃˈɑɹpən/
US/ʃˈɑɹpən/
音節・強勢
sharpen （1音節）
Stress on 1st syllable (sharpen)
活用形
Verb
- Base: sharpen
- 3rd Person Singular: sharpens
- Present Participle: sharpening
- Past: sharpened
関連語
表現
sharpen someone's skills
1/ʃˈɑɹpən sˈʌmwˌʌnz skˈɪlz/
fixed phrase
improve someone's skills
To make a person's skills better and more exact, usually by practice or learning.
例文
- This workshop will help sharpen your leadership skills.
- He took evening classes to sharpen his computer skills.
sharpen the appetite
1/ʃˈɑɹpən ðə ˈæpɪtˌaɪt/
fixed phrase
make someone more hungry
To make someone feel more hungry and want to eat more.
例文
- A short walk before dinner can sharpen the appetite.
- The smell of fresh bread really sharpened my appetite.
sharpen the contrast
1/ʃˈɑɹpən ðə kˈɑntɹæst/
fixed phrase
technical
increase contrast or difference
To make the difference clearer, especially between light and dark in a picture, or between two ideas.
例文
- You can sharpen the contrast in the photo to make the colors pop.
- The writer sharpened the contrast between the two characters' choices.
sharpen up
1/ʃˈɑɹpən ˈʌp/
phrasal verb
improve or become more focused
To improve how you act, work, or think, and become more careful, focused, or effective.
例文
- You need to sharpen up if you want to keep this job.
- The coach told the players to sharpen up before the second half.
- Her work has really sharpened up since the last review.
sharpen your focus
1/ʃˈɑɹpən jˈʊɹ fˈoʊkəs/
fixed phrase
increase your concentration
To make your attention stronger and more directed at one thing.
例文
- Turn off notifications to sharpen your focus while studying.
- Meditation can help you sharpen your focus at work.
sharpen your mind
1/ʃˈɑɹpən jˈʊɹ mˈaɪnd/
fixed phrase
make your thinking clearer
To make your thinking faster, clearer, and better at solving problems.
例文
- Puzzles and reading can help sharpen your mind as you get older.
- Learning a new language is a great way to sharpen your mind.
sharpen your wits
1/ʃˈɑɹpən jˈʊɹ wˈɪts/
idiom
improve quick mental reactions
To make your quick thinking and clever reactions better and faster.
例文
- You’ll need to sharpen your wits to win this game.
- Debate club is a good place to sharpen your wits.