the discovering of secrets , especially political or military information of another country or the industrial information of a business
发音
例句
1. The authorities have arrested several people suspected of espionage. 官方已经逮捕了几个涉嫌从事间谍活动的人。 2. Neither was there any hint of espionage in Hanley's early life. 汉利的早期生活也毫无进行间谍活动的迹象。