undercover
undercover — 形容詞
- undercoverpositive
- more undercovercomparative
- most undercoversuperlative
1. describes a person — such as a police officer, agent, or journalist — who works
臥底的
使用假身份秘密調查的
describes a person — such as a police officer, agent, or journalist — who works using a false name, appearance, and personal history in order to secretly gather information about criminal or suspicious activity.
Saira posed as a journalist during a three-year undercover investigation of a drug network.
Saira 以記者身分進行了為期三年的臥底調查，目標是一個販毒網絡。
attributive: undercover investigation
The detective's undercover work led to the arrest of seven corrupt officials.
這位警探的臥底工作導致七名貪腐官員被捕。
possessive + undercover + noun (work)
Élise accepted a dangerous undercover assignment to gather evidence inside the trafficking ring.
Élise 接受了一項危險的臥底任務，進入人口販運集團蒐集證據。
The undercover police unit had been monitoring the gang's activities for months.
這個警方臥底小組已經監視該幫派的活動好幾個月了。
undercover + noun of institution (police unit)
Yan's undercover role required a completely new name, documents, and personal history.
Yan 的臥底角色需要全新的姓名、證件和個人背景資料。
- undercover agent
- undercover operation
- undercover work
- undercover investigation
- undercover police officer
- undercover assignment
- undercover role
- covert
broader in scope — describes any hidden operation, not necessarily involving a false identity
- clandestine
more dramatic, often implies secrecy for illegal purposes; less common in everyday news language
- secret
the most general term; does not specifically convey the idea of assuming a false identity
- plainclothes
limited to police officers who wear ordinary clothes instead of a uniform, but not necessarily using a false identity
文法句型
undercover + noun (role/investigation/unit)
用法筆記
This adjective nearly always appears immediately before the noun it describes. You cannot use it alone after a linking verb to describe a situation — for that meaning, use the adverb form (e.g. 'The agent worked undercover').
常見錯誤
undercover — 副詞
1. in a way that involves taking on a false identity and hiding your real purpose,
臥底地
以秘密假身分進行調查
in a way that involves taking on a false identity and hiding your real purpose, especially to obtain evidence or expose wrongdoing.
Christopher agreed to go undercover as a courier to gather evidence for the investigation.
Christopher 同意臥底擔任快遞員，為調查蒐集證據。
go undercover as + [role]
Tamar worked undercover in the company's accounting department for almost two years before the trial.
Tamar 在該公司的會計部門臥底工作了將近兩年，直到審判開始。
Officers who are sent undercover often receive special training in languages and local customs.
被派去臥底的警員通常會接受語言和當地習俗方面的特殊訓練。
passive: be sent undercover
The journalist lived undercover in the refugee camp for a month to document the conditions.
那位記者在難民營臥底了一個月，記錄那裡的狀況。
- go undercover
- work undercover
- send undercover
- live undercover
- operate undercover
- pose undercover
- secretly
much broader; does not suggest a false identity or police investigation
- covertly
more formal, used for any hidden military or intelligence activity
- in disguise
emphasises the physical appearance change rather than the investigative purpose
- openly
without any attempt at concealment
文法句型
verb + undercover
go undercover
work undercover
live undercover
be sent undercover
用法筆記
Common verb partners are 'go', 'work', 'live', 'operate', and 'pose'. The phrase 'go undercover' is the most frequent pattern for describing the beginning of an assignment.
常見錯誤
同根字
常見搭配
常用片語
- go undercover
- work undercover
- send someone undercover
- undercover as something