activity
gb/æktˈɪvɪti/ us/æktˈɪvɪti/
A2
英語
~ 500
語義
0件の語義
名詞
A2
action
1
something done for a purpose
Something you do for a reason or for fun.
用法パターン：
[someone] does an activity
よくある間違い：
Learners sometimes confuse 'activity' (a countable event or task) with 'action' (an act or process); 'activity' is not used for a single sudden movement.
類義語
task (More often used for a specific piece of work, sometimes less enjoyable.)
|
pursuit (Slightly more formal, often used for hobbies or interests.)
対義語
inactivity (The state of not doing anything or being idle.)
コロケーション
outdoor activity
|group activity
|physical activity
|after-school activity
|favorite activity
テーマ
daily life
|work
|leisure
|daily_life
|core_vocabulary
例文
- Hiking is my favorite weekend activity.
- The school offers a variety of after-school activities.
- We planned several activities for the family reunion.
- Physical activity is important for good health.
- The children enjoyed the craft activity in class.
学習者向け例文
- I like swimming as a weekend activity.
- Drawing is a fun activity.
- We have many activities at camp.
- Running is good physical activity.
- Reading is my favorite activity.
名詞
B1
state
2
state of being busy or active
When people are busy doing things or things are happening.
用法パターン：
[place] is full of activity
よくある間違い：
Learners may mistakenly use 'activities' in plural to describe general busyness; 'activity' in this sense is usually uncountable.
類義語
bustle (Implies energetic and often noisy movement, especially in crowds.)
|
motion (Focuses more on physical movement rather than general busyness.)
対義語
stillness (The absence of movement or noise.)
コロケーション
a lot of activity
|signs of activity
|level of activity
|area of activity
テーマ
daily life
|business
|daily_life
|core_vocabulary
例文
- The office was full of activity on Monday morning.
- There was no sign of activity at the construction site.
- The market was buzzing with activity.
- After the storm, the streets were quiet, with little activity.
- We monitored the volcano for signs of activity.
学習者向け例文
- The kitchen was full of activity.
- There was no activity in the park.
- The shop was busy with activity.
- I saw signs of activity in the garden.
- The street was full of activity.
名詞
technical
B2
entity
3
specific area of work or interest
A special kind of work, study, or interest someone has.
類義語
operation (Often used in business or military contexts for planned actions.)
|
function (Refers more to the role or purpose of something.)
対義語
passivity (Lack of action or engagement in any field.)
コロケーション
business activity
|criminal activity
|volcanic activity
|economic activity
テーマ
business
|science
|work
|education
例文
- The company has expanded its activities into new markets.
- Police are investigating criminal activities in the area.
- Volcanic activity has increased over the past week.
- Economic activity slowed during the recession.
- Scientific activities at the lab focus on renewable energy.
学習者向け例文
- The police stopped illegal activities.
- The volcano shows signs of activity.
- The company has many activities overseas.
- Economic activity is growing fast.
- She studies volcanic activity.
文法
辞書形
activity
IPA
GB/æktˈɪvɪti/
US/æktˈɪvɪti/
音節・強勢
activ - ity （2音節）
Stress on 2nd syllable (ity)
活用形
Noun
- Base: activity
- Plural: activities, activity
関連語
表現
after-school activities
1/ˈæftɚ skˈul æktˈɪvɪtiz/
fixed phrase
organized student events after classes end
Things students do at school after their normal classes finish.
例文
- She participates in several after-school activities, including drama and soccer.
- After-school activities help children develop new skills.
criminal activity
1/kɹˈɪmənəl æktˈɪvɪti/
fixed phrase
actions involving crime or law-breaking
Things people do that are crimes.
例文
- The police are investigating criminal activities in the neighborhood.
- Criminal activities have increased in the area over the past year.
physical activity
1/fˈɪzɪkəl æktˈɪvɪti/
fixed phrase
bodily movement for health or fitness
Movement of your body that uses energy and helps keep you healthy.
例文
- Regular physical activity can reduce the risk of heart disease.
- Children need at least an hour of physical activity each day.
signs of activity
1/sˈaɪnz əv æktˈɪvɪti/
fixed phrase
indications that something is happening
Things that show something is happening or working.
例文
- There were signs of activity in the abandoned house.
- Scientists found signs of activity deep under the ocean floor.
illegal activity
1/ɪlˈiɡəl æktˈɪvɪti/
fixed phrase
Action forbidden by law
An act that is not allowed by law.
例文
- Police are cracking down on illegal activities in the city center.
- The police are investigating reports of illegal activity in the area.
- The company was fined for illegal activities involving toxic waste.
- Illegal activity will not be tolerated on these premises.