相关单词同义词secret, private, underground, chamber, inside, 近义词 underground 地下的, closet 壁橱, private 私人的, enigmatic 谜的, significant 重要的, secret 秘密, undercover 从事秘密工作的..., surreptitious 暗中进行的, covert 隐蔽的, concealed 隐藏的, stealthy 隐密的, furtive 偷偷的, illegal 非法的, cloak-and-dagger 有关阴谋或间谍的..., hush-hush 秘密的, hugger-mugger 秘密的, hole-and-corner 秘密的临近词clang, clan, clandestinely, clandestineness, clandestine sale, clandestine agent, clandestine trade, clandestine press, clandestine worker, clandestine adj., clandestine dealing, clandestine society相似词clamp, clamp down on sth, clampdown, clan, clang, clanger, clangour, clank, 返回 clandestine