相关单词同義詞secret, chamber, inside, cabinet, 近義詞 closet 壁櫥, invisible 看不見的, underground 地下的, secret 秘密, clandestine 秘密的(常指違法的行爲)..., hidden 隱藏的, covert 隱蔽的, buried 埋在地下的, concealed 隱藏的, obscured 動詞obscure的過去..., cloak-and-dagger 有關隂謀或間諜的..., hush-hush 秘密的, hole-and-corner 秘密的, surreptitious 暗中進行的, hugger-mugger 秘密的臨近詞undercut, under, undercoverage, undercover men, undercover man, undercover work, undercover agent, undercover police, undercover adj., Undercover Options, undercover officer, undercover of night相似詞underclass, underclothes, undercoat, undercook, undercurrent, undercut, underdeveloped, underdog, 返回 undercover