Example
“The demo was smoke and mirrors — the real product is still a mockup.”
Dictionary details
Related idioms
Expressions connected by reviewed component words or topic tags.
let the cat out of the bag
CEFR B1To reveal a secret, usually by mistake.
pull someone's leg
CEFR B1To tease or joke with someone by telling them something untrue in fun.
spill the beans
CEFR B1To reveal a secret, often accidentally.
word of mouth
CEFR B1recommendations spread informally from person to person
behind the scenes
CEFR B2happening privately or secretly, not in public view
butter someone up
CEFR B2to flatter someone in order to gain a favour
Source methodology
Meanings, register, CEFR, and examples come from the reviewed dictionary record. Expression notes may describe a reviewed present-day word picture or a background note; they are not presented as verified etymology.