bone-breaking
01
骨の折れる, 過酷な
physically demanding, intense, or capable of causing injury, particularly to the bones, often used to describe strenuous or brutal activities
Disapproving
Informal
Specialized
例
The marathon was a bone-breaking challenge, but she finished strong.
マラソンは骨の折れる挑戦だったが、彼女は強く終えた。
