furtive

furtivefurtiveD.J.:[ˈfə:tiv]K.K.:[ˈfɚtɪv]adj.1.(指行动)偷偷摸摸的, (指人)鬼鬼祟祟的The teacher was suspicious of the student's furtive behaviour during the exam.老师怀疑这个学生在考试时有偷偷摸摸的行为。

furtive['fə:tiv]adj.1.鬼鬼祟祟的,偷偷摸摸的;秘密的;私下的;暗中的2.狡猾的;偷来的近义词se

furtivefurtive[ˈfə:tiv]adj.1.偷偷摸摸的, 鬼鬼祟祟的2.狡猾的 be furtive in one's action 行动鬼祟
继承用法furtivelyadv.furtivenessn.

参考词汇secret;
英语宝典
考试词汇表