black magic

Definitions

1. Magic derived from evil forces, as distinct from good or benign forces; or magic performed with the intention of doing harm.
   uncountable
2. Occult or secret magic; magic (or, by extension or comparison), technology etc that is mysterious, not known to or understood by many.
   uncountable

Equivalents

Examples

“This is the fact of a new and vitally interesting experiment⟳ in the realm of physics, psychology, and art. There is no trick⟳ to this, as tricks go, except the mathematical magic of simple physics. Of course, simple physics for one man is black magic for another.”

“The NCFLI will provide⟳ a step-by-step explanation of the processes involved. This should be done in order⟳ to dispel, to the extent possible, the notion that computerized production of legal texts and reports is "black magic," or that a hard copy⟳ of the processed text is something quite mysterious.”

CEFR level