English Dictionary

abracadabra

/ˌabɹəkəˈdabɹə/

noun

A use of the mystical term ‘abracadabra’, supposed to work as part of a healing charm or a magical spell; any spell or incantation making use of the word.

The magician shouted 'abracadabra' and the rabbit disappeared.

意味（1）

A use of the mystical term ‘abracadabra’, supposed to work as part of a healing charm or a magical spell; any spell or incantation making use of the word.

Where is the necessity of this provision in the Constitution? […] Can anyone believe that we, by any amendments of ours, by any of our scribbling on that parchment, by any amulet, any legerdemain—charm—Abrecadabra—of ours can prevent our sons from doing the same thing—that is, from doing as they please, just as we are doing as we please? It is impossible. Who can bind posterity?

意味（2）

Mumbo-jumbo; obscure language or technicalities; jargon.

I don’t know all the theoretical abracadabra about how it works, I’m only its pilot.