spy¹/spaɪ; spaɪ/ v 1 [I] to secretly get information or watch people for a government or company 秘密收集情报; 秘密监视〔某人〕 2 [T] literary to suddenly see someone or something 【文】 突然看见［发现］: Ellen spied her friend in the crowd. 艾伦突然在人群里看到了她的朋友。 3 spy on sb to secretly watch people 窥探某人: He's always spying on the neighbours. 他老是窥探邻居的生活。