他们随时随地寻找我们的缺点，作为他们进行破坏活动的借口。
Whenever and wherever possible, they go nosing around for our shortcomings which they use as pretexts for sabotage.
他肯定这名特务是一个长期潜伏者，可能是为了在一旦发生国际危机时进行破坏活动的。
He was sure the agent was a sleeper, probably for sabotage in the event of an international crisis.
个别不法分子利用网络中的一些安全漏洞进行破坏活动，由此，网络安全越来越受到人们的重视。
Vulnerabilities is used in some of the damage activities, thus, network security is more and more attention for people.
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