reconnaissance
gb/ɹikˈɑnəsəns/ us/ɹikˈɑnəsəns/
C1
英語
felderítés, előzetes felmérés, előzetes tájékozódás, kiberfelderítés
名詞
C1
TECHNICAL
1
felderítés
B2
用法パターン：
reconnaissance of [an area]; reconnaissance over [a place]; [do/conduct/carry out] reconnaissance
The unit was sent ahead to conduct reconnaissance before the main force moved in.
Az egységet előreküldték, hogy felderítést végezzen, mielőtt a főerő megindult.
Drones provided reconnaissance of the valley throughout the night.
A drónok egész éjjel a völgy felderítését végezték.
The report was based on satellite reconnaissance and intercepted communications.
学習者向け例文
The soldiers did reconnaissance before the attack.
A katonák a támadás előtt felderítést végeztek.
A drone was used for reconnaissance.
Egy drónt használtak felderítésre.
よくある間違い：
Do not confuse reconnaissance with recognition. Reconnaissance means gathering information, not recognizing someone or something.
意味
military scouting for information
コロケーション
aerial reconnaissance
|military reconnaissance
|reconnaissance mission
|reconnaissance patrol
|reconnaissance flight
|reconnaissance aircraft
|reconnaissance drone
|satellite reconnaissance
|conduct reconnaissance
|reconnaissance unit
類義語
scouting (less formal; often suggests moving ahead to look for information)
|
surveillance (emphasizes watching or monitoring, often over time)
|
intelligence gathering (broader; can include many sources besides direct observation)
テーマ
military
|intelligence
|security
定義
the act of finding out about an enemy or place before a military action
the collection of information about an enemy, area, route, or position, especially before or during a military operation
名詞
C1
FORMAL
2
用法パターン：
reconnaissance of [a place/situation]; [do/make/carry out] some reconnaissance; a reconnaissance visit/trip
We did some reconnaissance of the neighborhood before deciding where to rent.
Kicsit felmértük a környéket, mielőtt eldöntöttük, hol béreljünk lakást.
The project began with a short reconnaissance visit to the site.
A projekt egy rövid előzetes helyszínbejárással kezdődött.
Before the negotiation, the team did some reconnaissance on the client's priorities.
学習者向け例文
She did some reconnaissance before choosing a restaurant.
Előzetesen tájékozódott, mielőtt éttermet választott.
We made a reconnaissance trip to the town.
Elutaztunk a városba egy előzetes felmérésre.
よくある間違い：
Outside military contexts, reconnaissance can sound formal or playful; in simple conversation, look around, check, or research may be more natural.
意味
preliminary look around
コロケーション
do some reconnaissance
|preliminary reconnaissance
|site reconnaissance
|field reconnaissance
|reconnaissance visit
|reconnaissance trip
|initial reconnaissance
|a bit of reconnaissance
|reconnaissance work
類義語
survey (often more systematic or official)
|
inspection (emphasizes checking something carefully)
|
scouting (more informal and often about looking for options)
|
fact-finding (emphasizes collecting information before a decision)
テーマ
planning
|daily_life
|business
|research
定義
a first look or check to help you plan what to do next
an initial inspection or investigation of a place or situation, done to collect information before deciding what to do
名詞
C2
TECHNICAL
3
felderítés
B2
用法パターン：
reconnaissance on/against [a target]; active/passive reconnaissance; the reconnaissance phase
During reconnaissance, the security tester found several exposed services.
A felderítés során a biztonsági tesztelő több nyitott szolgáltatást talált.
Attackers used public employee profiles for reconnaissance before the phishing campaign.
A támadók nyilvános munkavállalói profilokat használtak felderítésre az adathalász kampány előtt.
The firewall logs suggested active reconnaissance against the network.
学習者向け例文
Reconnaissance is the first step in many cyberattacks.
A felderítés sok kibertámadás első lépése.
The tester did reconnaissance on the company's network.
A tesztelő felderítést végzett a cég hálózatán.
よくある間違い：
In cybersecurity, reconnaissance usually comes before exploitation. Active reconnaissance directly probes the target; passive reconnaissance does not.
意味
cyber target information gathering
コロケーション
cyber reconnaissance
|network reconnaissance
|active reconnaissance
|passive reconnaissance
|reconnaissance phase
|reconnaissance tools
|perform reconnaissance
|open-source reconnaissance
|attacker reconnaissance
|target reconnaissance
類義語
information gathering (broader and less technical)
|
footprinting (cybersecurity jargon for mapping a target's public details)
|
scanning (narrower; usually means actively probing systems or ports)
|
enumeration (more specific; identifying users, services, or resources)
テーマ
technology
|cybersecurity
|security
|crime
定義
the step in which hackers or security testers collect information about a computer target before attacking or testing it
the phase of a cyberattack or security test in which information is gathered about a target system, network, or organization before trying to exploit it
文法
辞書形
reconnaissance
IPA
GB/ɹikˈɑnəsəns/
US/ɹikˈɑnəsəns/
音節・強勢
re - con - nais - sance （4音節）
Stress on 2nd syllable (con)
活用形
Noun
- Base: reconnaissance
- Plural: reconnaissance, reconnaissances
表現
active reconnaissance
1/ˈæktɪv ɹikˈɑnəsəns/
fixed phrase
technical
direct cyber probing
collecting cyber information by directly contacting or testing the target system
例文
- Port scans are a typical form of active reconnaissance.
- The red team performed active reconnaissance and quickly triggered an alert.
学習者向け例文
- Active reconnaissance touches the target system.
aerial reconnaissance
1/ˈɛɹiəl ɹikˈɑnəsəns/
fixed phrase
technical
scouting from the air
using aircraft or drones to look at an area and collect information
例文
- The army used drones for aerial reconnaissance after the road was destroyed.
- Bad weather prevented aerial reconnaissance over the mountains.
学習者向け例文
- A drone did aerial reconnaissance over the valley.
do some reconnaissance
1/dˈu sˈʌm ɹikˈɑnəsəns/
fixed phrase
informal
check things out first
to check a place or situation first so you can plan better
例文
- Can you do some reconnaissance on the hotels before we book?
- I walked around the venue to do some reconnaissance before the guests arrived.
学習者向け例文
- Let's do some reconnaissance before choosing a restaurant.
passive reconnaissance
1/pˈæsɪv ɹikˈɑnəsəns/
fixed phrase
technical
indirect cyber information gathering
collecting cyber information without directly contacting the target system
例文
- Passive reconnaissance can include reading public websites and leaked records.
- The analyst began with passive reconnaissance so the target would not see any traffic from her tools.
学習者向け例文
- Passive reconnaissance uses public information.
reconnaissance flight
1/ɹikˈɑnəsəns flˈaɪt/
fixed phrase
technical
information-gathering flight
a flight to look at an area and collect information
例文
- A reconnaissance flight spotted smoke near the border.
- The crew took off at dawn for a reconnaissance flight over the coast.
学習者向け例文
- The plane made a reconnaissance flight.
reconnaissance mission
1/ɹikˈɑnəsəns mˈɪʃən/
fixed phrase
information-gathering operation
a mission to find out useful information before doing something else
例文
- The team returned from the reconnaissance mission with photos of the river crossing.
- We made a weekend reconnaissance mission to the city before deciding to move there.
学習者向け例文
- The soldiers went on a reconnaissance mission.
reconnaissance patrol
1/ɹikˈɑnəsəns pətɹˈoʊl/
fixed phrase
technical
scouting patrol group
a group of soldiers sent to look for information and report back
例文
- A reconnaissance patrol reported fresh tracks near the camp.
- The commander sent a reconnaissance patrol to check the road ahead.
学習者向け例文
- The reconnaissance patrol looked for danger.
reconnaissance satellite
1/ɹikˈɑnəsəns sˈætəlˌaɪt/
fixed phrase
technical
spy information satellite
a satellite that takes pictures or collects information from space for a government or military
例文
- A reconnaissance satellite captured images of the launch site.
- Governments use reconnaissance satellites to monitor military activity.
学習者向け例文
- A reconnaissance satellite takes pictures from space.