1 N-COUNT (政府的)特工机关,情报机关 A country's secret service is a secret government department whose job is to find out enemy secrets and to prevent its own government's secrets from being discovered. (政府的)特工机关,情报机关

2 N-COUNT (美国负责保护总统的)特工处 The secret service is the government department in the United States which protects the president. (美国负责保护总统的)特工处 [US]