radar
gb/ɹˈeɪdˌɑɹ/ us/ɹˈeɪdˌɑɹ/
B1
英語
~ 4600
radar, látókör, rajta van valakinek a radarján
名詞
B1
TECHNICAL
1
radar
B1
The ship's radar detected another vessel five miles away.
A hajó radarja öt mérföld távolságban egy másik hajót észlelt.
Air traffic controllers use radar to track airplanes in the sky.
A légiforgalmi irányítók radart használnak a repülőgépek követésére a légtérben.
Modern cars are equipped with radar to help avoid collisions.
The weather radar showed a large storm approaching.
Military bases rely on radar systems for early warning.
学習者向け例文
The plane was found using radar.
A repülőgépet radar segítségével találták meg.
The car has radar to see other cars.
Az autóban radar van, hogy érzékelje a többi autót.
The ship uses radar to find land.
We saw the storm on the radar screen.
よくある間違い：
Learners sometimes confuse 'radar' with 'sonar', which uses sound waves instead of radio waves.
意味
System detecting objects by radio waves
コロケーション
radar system
|radar signal
|radar technology
|military radar
|weather radar
類義語
detection system (A general term for any system that detects objects, not limited to radio waves.)
対義語
blind spot (An area where detection systems cannot see or sense objects.)
テーマ
technology
|transport
|science
|transportation
定義
A machine that sends out radio waves to find where objects are and how far away they are.
A system that uses radio waves to detect the position, speed, and distance of objects such as aircraft or ships.
名詞
B2
2
用法パターン：
to be on [someone's] radar
That new restaurant is definitely on my radar.
Az új étterem mindenképpen a látókörömben van.
The issue wasn't even on the government's radar until last year.
A kérdés tavalyig még csak a kormány látókörébe sem került.
She's been flying under the radar to avoid media attention.
After the award, the artist was suddenly on everyone's radar.
These problems often stay off the public's radar.
学習者向け例文
The job is on my radar now.
Most már a látókörömben van ez az állás.
He is not on my radar at all.
Ő egyáltalán nincs a látókörömben.
The problem was off their radar before.
よくある間違い：
Learners sometimes take this meaning literally and think it involves an actual machine.
意味
State of being aware of something
コロケーション
on the radar
|off the radar
|under the radar
類義語
awareness (A general term for knowing about something; less metaphorical.)
対義語
ignorance (Lack of awareness or knowledge about something.)
テーマ
communication
|daily life
|emotions
|core_vocabulary
定義
A way of saying someone knows about or notices something.
Used metaphorically to describe someone's awareness or attention toward a person, event, or issue.
文法
辞書形
radar
IPA
GB/ɹˈeɪdˌɑɹ/
US/ɹˈeɪdˌɑɹ/
音節・強勢
radar （1音節）
Stress on 1st syllable (radar)
活用形
Noun
- Base: radar
- Plural: radar
表現
off the radar
1/ˈɔf ðə ɹˈeɪdˌɑɹ/
fixed phrase
Not noticed or considered
To not be known or thought about by someone.
例文
- That town has been off the tourist radar for decades.
- The project went off the radar after funding ended.
on the radar
1/ˈɔn ðə ɹˈeɪdˌɑɹ/
fixed phrase
Being noticed or considered
To be known or thought about by someone.
例文
- That company has been on investors' radar since last year.
- She's finally on the coach's radar after her great performance.
under the radar
1/ˈʌndɚ ðə ɹˈeɪdˌɑɹ/
idiom
informal
Avoiding attention or notice
To do something without being noticed by others.
例文
- They managed to operate under the radar for years.
- He stayed under the radar until the project was complete.