间谍活动在这个国家是死罪。

Espionage is a capital offence in this country.

有些商业活动是为间谍活动提供掩护。

Some of the commercial activities were a cover for espionage.

当局已经逮捕了几个涉嫌从事间谍活动的人。

The authorities have arrested several people suspected of espionage.

他以公务员的工作作为搞间谍活动的掩护。

His work as a civil servant was a cover for his activities as a spy.

该特工为东德从事了二十多年的间谍活动。

The agent spied for East Germany for more than twenty years.