间谍活动
His job as a diplomat was a blind for his spying. 他担任外交官的职务是为了给他的间谍身分打掩护。
For eight years she was in fact spying for the enemy. 八年来她实际上一直为敌人做间谍工作。
He was expelled from the country for spying on their naval bases. 他因刺探该国海军基地的情报而被驱逐出境。
The senior civil servant they arrested for spying turned out to be a Trojan horse, planted by enemy intelligence twenty years previously. 他们逮捕的那位因进行间谍活动的高级文职人员，原来是20年前敌人情报机构安插的特洛伊木马。
