间谍活动 jiàndiéhuódòng espionage Definitions Defs Origin Strokes Stroke Words Sentences Sents 间谍 間諜 jiàndié noun spy spy; secret agent; someone who infiltrates an enemy or another country to steal information or engage in sabotage活动 活動 huódòng noun activity activity; event; maneuver; campaign; action taken to achieve a goal