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behind closed doors
01
in a place where other people cannot see or know about
What is the origin of the idiom "behind closed doors" and when to use it?
The idiom "behind closed doors" originated from the literal notion of conducting activities or discussions in a private or confidential setting, away from public view. The phrase alludes to the practice of closing doors to create a barrier between the inside and outside world, ensuring privacy and discretion. It is commonly used to describe situations where important or secretive matters are being discussed or decisions are being made privately, without public scrutiny or interference, often implying that the truth or true nature of something is hidden or undisclosed.
例
She acted as if butter would not melt in her mouth, but behind closed doors, she was always causing trouble.
The committee reached a decision behind closed doors, leaving the public unaware of the factors that influenced their choice.
The muffled voices behind closed doors added an air of secrecy to the conversation.
The negotiations between the two countries took place behind closed doors to facilitate more candid and productive discussions.
The CEO held a meeting behind closed doors to discuss the company's financial troubles.
