butter wouldn’t melt (in somebody’s mouth)
idiomPart ofbutter
butter wouldn’t melt (in somebody’s mouth) — idiom
1. This idiom describes someone who pretends to be innocent or nice but is not real
1.idiom
Definition
This idiom describes someone who pretends to be innocent or nice but is not really that way.
Example
Maya looked so sweet, but butter wouldn’t melt in her mouth.
Don't trust his shy smile; butter wouldn't melt in his mouth.