language or a ceremony that seems complicated and important but is actually without real sense or meaning 繁琐严肃但无意义的语言（或仪式）；繁文缛节；胡言乱语 religious/medical/bureaucratic mumbo jumbo 宗教/医学/官僚庞然大物 I won’t have anything to do with spiritualism, ghosts and all that mumbo jumbo. 我不会与唯灵论，鬼魂和所有巨型庞贝有关。
More Like This Reduplicative wordsReduplicative wordsWord Originmid 18th cent. (as Mumbo Jumbo, denoting a supposed African idol): of unknown origin; the current sense dates from the late 19th cent.