You could face up to eight years in jail for spreading rumours considered prejudicial to security 散布危害社会安全的谣言将被判入狱8年。
"I will not engage in activities which would be prejudicial by the laws of the United States relating to espionage, sabotage, public disorder, or in other activities subversive to the national security" 我将不参加任何为美国法律所禁止的活动&诸如间谍、破坏、扰乱或其他对国家安全不利的活动
An alien considered likely to engage in other activities prejudicial to China's national security and interests. 被认为入境后可能进行危害我国国家安全和利益的其他活动的。