don't say anything to anyone: "I've got something to say to you. But keep it under your hat - it's not public knowledge."
keep (something) beneath (one's) hat
To not acknowledge or altercate article publicly. Keep this beneath your hat for now, but Greg is absolutely the one accepting the promotion.Learn more: hat, keep
keep article beneath your hat
INFORMALIf you keep article under your hat, you do not acquaint anyone abroad about it. Very few bodies know, so accumulate it beneath your hat.Look, if I acquaint you article will you affiance to accumulate it beneath your hat? Note: This was a byword acclimated to advance aegis in Britain during the Second World War. Learn more: hat, keep, something
(informal) accumulate article secret: I’m activity to administer for addition job, but accumulate it beneath your hat for a while, will you? OPPOSITE: let the cat out of the bagLearn more: hat, keep, somethingLearn more:
An keep something under your hat idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with keep something under your hat, allowing users to choose the best word for their specific context.
類似の言葉の辞書、別の表現、同義語、イディオム イディオム keep something under your hat