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butter would not melt in one's mouth
01
used for saying that a person only appears to be nice or innocent, but they are not like that in reality
Idiom
InformalWhat is the origin of the idiom "butter would not melt in one's mouth" and when to use it?
The idiom "butter would not melt in one's mouth" originates from the idea that if someone's demeanor or behavior is as innocent and pure as butter, it would not melt even in their mouth. The phrase is primarily used to convey the idea of someone appearing or pretending to be extremely innocent, demure, or well-behaved, despite potentially possessing a deceptive or mischievous nature. In other words, it is used to describe individuals who feign innocence or act in a way that hides their true intentions or mischievous nature.
Example
Despite his sweet smile, he was a troublemaker at heart, with a mischievous nature that belied the appearance that butter would not melt in his mouth.
She acted as if butter would not melt in her mouth, but behind closed doors, she was always causing trouble.
She presented herself as the perfect student, as if butter would not melt in her mouth, but she was actually the mastermind behind the cheating scandal.
The child looked so innocent, as if butter would not melt in her mouth, but she was secretly the one who broke the vase.
The politician spoke with such sincerity, as if butter would not melt in his mouth, but his actions revealed a pattern of corruption and deceit.
