Trojan horse
noun [ S ] uk/ˌtrəʊ.dʒən ˈhɔːs/ us/ˌtroʊ.dʒən ˈhɔːrs/
literary特洛伊木马;（潜藏在内部的）颠覆分子
a person or thing that joins and deceives a group or organization in order to attack it from the inside
Older supporters have accused the new leadership of being a Trojan horse that will try to destroy the party from the inside. 年长的支持者们指责新的领导人是潜藏在内部的颠覆分子，妄图从内部瓦解该党。
(also Trojan)（特意用来破坏信息或让人偷窃信息的电脑程序）特洛伊木马，木马
a computer program that has been deliberately designed to destroy information, or allow someone to steal it
It's easier than you think to inadvertently download a malicious Trojan horse. 因为疏忽而下载恶意木马，这比你想象的要容易。