As part of our series on English idioms, we’re looking this week at common expressions for describing secrets and secretive behaviour.
A lot of expressions refer to secret situations or information. If someone keeps a new piece of work or information under wraps, they keep it secret: They didn’t know whether to make the announcement immediately or keep it under wraps for a few weeks. Someone who has something up their sleeve has a secret plan: Who knows what she has up her sleeve. If a situation is cloaked or shrouded in secrecy/mystery, it is deliberately kept secret: Very little was known about the incident. For years it was shrouded in secrecy. Meanwhile, something that happens behind closed doors happens in a place where most people cannot see or hear it: These deals take place behind closed doors.
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