foreign agent

同根派生

That store was a front for foreign agent.
那家商店是为外国间谍打掩护的。
Any foreign agent or organism that is harmful to the body.
任何对身体有害的外来物或生物。
By fair means or foul,the foreign agent is expected to bring home the information.
这个外国特务不择手段地想把情报带回国。
By fair means or foul, the foreign agent is expected to bring home the information.
这个外国特务不择手段地想把情报带回国。
A foreign agent that invades sovereign territory, evades detection, kills civilians, and disrupts the economy is a security threat by most definitions.
侵入主权领土、躲避侦察、杀害平民、扰乱经济的外部因素在大多数情况下都被定义为安全威胁。