mumbo-jumbo
/ˈmʌmbəʊˈdʒʌmbəʊ/noun
mass noun
- informal language or ritual causing or intended to cause confusion or bewilderment〈非正式〉晦涩难懂的措词; 叫人摸不着头脑的话; 令人迷惑不解的仪式：
a maze of legal mumbo jumbo.
一堆杂乱、叫人听不明白的法律行话。
词源
mid 18th cent. （as Mumbo Jumbo, denoting a supposed African idol）： of unknown origin; the current sense dates from the late 19th cent.