adj.暗中進(jìn)行的；鬼鬼祟祟的；保密的
His surreptitious behaviour naturally aroused suspicion. 他那鬼鬼祟祟的行為自然引起了旁人的懷疑。
He was surreptitious in his movements. 他行蹤詭秘。
adv.偷偷摸摸地；暗中地
