espionage

名词 espionage:

1. the systematic use of spies to get military or political secrets

1. He was caught in the very act of espionage.
   他正在干间谍活动时被抓住了。
2. Marked by melodramatic intrigue and often espionage.
   间谍的，惊险的以戏剧性的阴谋为特征的，常常指间谍活动
3. The episode could reasonably serve as a unique epic of royal espionage!
   这一事件理所当然地堪称是国王间谍活动的的独一无二的史诗。

es.pi.o.nage

n.（名词）
The act or practice of spying or of using spies to obtain secret information, as about another government or a business competitor.
间谍行为：密探或使用间谍去得到一个政府或商业竞争者的秘密信息

来源：
French espionnage
法语 espionnage
from espionner [to spy]
源自 espionner [侦探，密探]
from Old French espion [spy]
源自 古法语 espion [间谍]
from Old Italian spione [of Germanic origin] * see spek-
源自 古意大利语 spione [源于日耳曼的] *参见 spek-