spy

她在战争期间担任间谍。

She worked as a ___spy during the war.

我喜欢读间谍小说。

I enjoy reading ___spy novels.

政府逮捕了一名外国间谍。

The government arrested a foreign ___spy.

他因试图窥探军事设施而被捕。

He was arrested for attempting to ___spy on military installations.

一些国家担心移民可能为敌对国从事间谍活动。

Some countries fear that immigrants might ___spy for hostile nations.

卧底特工经常窥探犯罪组织以收集情报。

Undercover agents often ___spy on criminal organizations to collect intelligence.