reconnaissance
gb/ɹikˈɑnəsəns/ us/ɹikˈɑnəsəns/
C1
英语
felderítés, előzetes felmérés, előzetes tájékozódás, kiberfelderítés
名词
C1
TECHNICAL
1
felderítés
B2
用法模式：
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.
学习者例句
The soldiers did reconnaissance before the attack.
A katonák a támadás előtt felderítést végeztek.
A drone was used for reconnaissance.
Egy drónt használtak felderítésre.
常见错误：
Do not confuse reconnaissance with recognition. Reconnaissance means gathering information, not recognizing someone or something.
含义
military scouting for information
搭配
aerial reconnaissance
|military reconnaissance
|reconnaissance mission
|reconnaissance patrol
|reconnaissance flight
|reconnaissance aircraft
|reconnaissance drone
|satellite reconnaissance
|conduct reconnaissance
|reconnaissance unit
近义词
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)
主题
military
|intelligence
|security
释义
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
名词
C1
FORMAL
2
用法模式：
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.
学习者例句
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.
常见错误：
Outside military contexts, reconnaissance can sound formal or playful; in simple conversation, look around, check, or research may be more natural.
含义
preliminary look around
搭配
do some reconnaissance
|preliminary reconnaissance
|site reconnaissance
|field reconnaissance
|reconnaissance visit
|reconnaissance trip
|initial reconnaissance
|a bit of reconnaissance
|reconnaissance work
近义词
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)
主题
planning
|daily_life
|business
|research
释义
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
名词
C2
TECHNICAL
3
felderítés
B2
用法模式：
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.
学习者例句
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.
常见错误：
In cybersecurity, reconnaissance usually comes before exploitation. Active reconnaissance directly probes the target; passive reconnaissance does not.
含义
cyber target information gathering
搭配
cyber reconnaissance
|network reconnaissance
|active reconnaissance
|passive reconnaissance
|reconnaissance phase
|reconnaissance tools
|perform reconnaissance
|open-source reconnaissance
|attacker reconnaissance
|target reconnaissance
近义词
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)
主题
technology
|cybersecurity
|security
|crime
释义
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
语法
词典原形
reconnaissance
IPA
GB/ɹikˈɑnəsəns/
US/ɹikˈɑnəsəns/
音节与重音
re - con - nais - sance （4 个音节）
Stress on 2nd syllable (con)
词形变化
Noun
- Base: reconnaissance
- Plural: reconnaissance, reconnaissances
相关表达
active reconnaissance
1/ˈæktɪv ɹikˈɑnəsəns/
fixed phrase
technical
direct cyber probing
collecting cyber information by directly contacting or testing the target system
例句
- Port scans are a typical form of active reconnaissance.
- The red team performed active reconnaissance and quickly triggered an alert.
学习者例句
- 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
例句
- The army used drones for aerial reconnaissance after the road was destroyed.
- Bad weather prevented aerial reconnaissance over the mountains.
学习者例句
- 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
例句
- Can you do some reconnaissance on the hotels before we book?
- I walked around the venue to do some reconnaissance before the guests arrived.
学习者例句
- 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
例句
- 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.
学习者例句
- 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
例句
- A reconnaissance flight spotted smoke near the border.
- The crew took off at dawn for a reconnaissance flight over the coast.
学习者例句
- 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
例句
- 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.
学习者例句
- 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
例句
- A reconnaissance patrol reported fresh tracks near the camp.
- The commander sent a reconnaissance patrol to check the road ahead.
学习者例句
- 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
例句
- A reconnaissance satellite captured images of the launch site.
- Governments use reconnaissance satellites to monitor military activity.
学习者例句
- A reconnaissance satellite takes pictures from space.