"Hard-hearted" Natural Recordings by Native Speakers
Hard-hearted refers to someone who is emotionally cold, unfeeling, and uncaring towards others, often making it difficult for them to express sympathy, compassion, or empathy.
Successfully obtained or achieved after a lot of effort or difficulty: The victory was a hard-fought one, with the team fighting back from a 2-0 deficit in the last 15 minutes of the game.