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to the core
01
in an extreme manner or in every aspect possible
What is the origin of the idiom "to the core" and when to use it?
The origin of the idiom "to the core" is not precisely known, but it has been in use for centuries in English. It is a versatile expression that can be applied to a wide range of situations and is commonly used in both spoken and written English and describe something or someone that is fundamentally or completely characterized by a particular quality, trait, or attribute. It suggests that the essence or innermost nature of the subject is deeply connected to that quality.
例
The harrowing truth of her diagnosis shook her to the core.
The team agreed that the extra features were inessential to the core functionality of the software.
She is a dedicated teacher to the core, always putting her students' needs first.
The devastating news of his terminal illness shook his loved ones to the core.
After narrowly escaping the accident, she felt like a dead woman walking, shaken to the core.
