spy noun
ADJ. enemy, government, police
VERB + SPY act as, be, work as He denied acting as an enemy spy. | recruit (sb as)
SPY + NOUN film, movie, novel, story, thriller | camera, plane, satellite | network, ring Counter-intelligence officers uncovered a spy ring involving twenty agents.
PREP. ~ for He was a spy for the government.
PHRASES a network of spies
You can also check other dicts: spy (English, 中文解释 ), wordnet sense, Collins Definition