to the core
成語所屬單字core
to the core — 慣用語
1. In a way that affects every part of something or someone completely.
1.慣用語
釋義
徹底地，完全地
In a way that affects every part of something or someone completely.
例句
The news of the accident shook Maya to the core.
Diego is a teacher to the core, always helping students.