spy n. 间谍;v. 刺探 ↓ 词根:spy/spi 刺探 ↓ espionage [ˈespiənɑːʒ] n. 间谍活动 ↓ 例句:She may call it research; I call it industrial espionage. 她可以称之为研究,可我称它为产业情报刺探。(牛津词典)