clandestine〔形容词〕秘密详细»
clandestine秘密的详细»
秘密的secret;star chamber;under wraps详细»
秘密的arcane;cabinet;clandestine;covert;cryptic;cryptical;esoteric;gumshoe;hush hush;off the record;offtherecord;quiet;quieten;secret;star chamber;starchamber;stealthy;teteatete;under wraps详细»
秘密的covert;offtherecord详细»