tradecraft

1. You had the most natural tradecraft instincts of anyone I've ever seen.
   你与生俱来的谍报本能是我所见过的最优秀的。
2. We are witnessing cloud-based techniques and tradecraft from cybercrime being repurposed to target government systems and computers belonging to officials entrusted with state or commercial secrets.
   我们正见证到，各种云计算方法和网络犯罪技能正应用于新的目的，用来针对政府系统和受托掌握国家或商业机密的官员们的电脑。
3. His tradecraft was appallingly reckless.
   他的经营轻率得令人吃惊。
4. One can readily imagine that the tradecraft developed for traditional human spying could readily translate into the virtual world. Indeed, covert action in this world is all but inevitable.
   不难想象，在传统间谍行动中发展出来的行业技巧可轻松转化到虚拟世界中来。

noun

1. skill acquired through experience in a trade
   1. instructional designers are trained in something that might be called tradecraft
   2. the CIA chief of station accepted responsibility for his agents' failures of tradecraft