Definition: the work of a group or organization to achieve an aim Level: B2
他被判犯有恐怖活动罪。
He was found guilty of terrorist ___activity.
警方正在调查他的犯罪活动。
The police are investigating his criminal ___activities.
这份报告详细说明了该组织的非法活动。
The report details the illegal ___activity of the organisation.
