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engage in espionage
engage in 是表示“从事、参与”的常用搭配，espionage 作其宾语。
He engaged in espionage for years before being caught.
他从事间谍活动多年后才被抓获。
间谍活动；刺探
espionages — plural of espionage
先理解核心含义，再看它在真实句子里的用法。
间谍活动；刺探
the systematic use of spies to get military or political secrets
He engaged in espionage for years before being caught.
他从事间谍活动多年后才被抓获。
通过秘密手段获取机密信息的行为或过程
The act or process of learning secret information through clandestine means.
系统使用间谍获取军事或政治机密
the systematic use of spies to get military or political secrets
The diplomat was arrested and charged with espionage after classified documents were found in his hotel room.
这名外交官被捕并被指控从事间谍活动，因为在他的酒店房间里发现了机密文件。
Modern espionage often relies more on cyber attacks than on secret agents in the field.
现代间谍活动往往更依赖网络攻击，而非实地执行任务的特工。
She spent twenty years in prison for espionage during the war.
她因战时从事间谍活动而被监禁了二十年。
engage in 是表示“从事、参与”的常用搭配，espionage 作其宾语。
He engaged in espionage for years before being caught.
他从事间谍活动多年后才被抓获。
be accused of 后接罪名或活动，espionage 在此结构中通常不加冠词。
The diplomat was accused of espionage and expelled.
那名外交官被控从事间谍活动，并被驱逐出境。
against 后接间谍活动针对的对象，如国家、政府或组织。
They were charged with espionage against the allied forces.
他们被控从事针对盟军的间谍活动。
Not this
He was accused of an espionage.
Use this
He was accused of espionage.
espionage 是不可数名词，不能加不定冠词 an；表示“从事间谍活动”时直接用 espionage 即可。
Not this
She espionages for the enemy.
Use this
She spies for the enemy.
espionage 是名词，不能用作动词；表达“做间谍、刺探”应用动词 spy。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
工业间谍活动
The company lost millions of dollars due to industrial espionage.
该公司因工业间谍活动损失了数百万美元。
企业间谍活动
He was arrested for corporate espionage.
他因从事企业间谍活动而被捕。
间谍网络
Police broke up an espionage ring operating in the capital.
警方破获了一个在首都活动的间谍网络。
间谍罪指控
She faces espionage charges in a military court.
她在军事法庭上面临间谍罪指控。
间谍活动
The embassy was expelled for espionage activities.
该使馆因从事间谍活动而被驱逐。
间谍活动是一件多么可怕的事情。
This line about espionage appears near the end of John le Carré's novel The Spy Who Came in from the Cold, a landmark of Cold War spy fiction.
这句关于间谍活动的话出现在约翰·勒卡雷的小说《柏林谍影》的结尾，该书是冷战间谍小说的里程碑。
Use espionages naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记 espionage：把 espi 联想成 spy（间谍），-onage 像 on age（时代）——间谍活动的时代。
语域：formal 常见场景：news reporting、legal documents、political discussions espionage 是比较正式的用词，多用于新闻报道、法律文书或政治讨论中；日常口语里更常说 spying。
没有常见词与 /ˈɛspiənɑdʒ/ 的完整发音押韵。此处音标中，dodge 的末尾 /ɑdʒ/ 与 espionage 最后一个音节大致相同，但因为该音节是非重读音节，所以并不构成真正押韵。village 和 cottage 中的 -age 读 /ɪdʒ/，而 garage、mirage、sabotage 中的 -age 通常读 /ɑːʒ/（即“zh”的音）。不要仅凭这些拼写相似的词来判断这里 espionage 的词尾发音。
Dictionary facts from ECDICT, WIKTIONARY.