hardened heart

Translations
ожесточенное сердце
She has a hardened heart after years of disappointment.
У неё ожесточенное сердце после многих лет разочарований.
Definitions
A hardened heart refers to a state of emotional or spiritual insensitivity, where a person becomes unyielding, unresponsive, or resistant to feelings of compassion, empathy, or love, often due to past experiences or deliberate choices.