casehardened是什么意思

adj.经过热处理变硬的,无感觉的,厚脸皮的

1. The casehardened steel provides enhanced durability and resistance to wear. （淬火钢提供了更好的耐用性和抗磨损性。）
2. She had a casehardened attitude towards relationships after being betrayed multiple times. （经历多次背叛后，她对待感情的态度变得坚定不移。）
3. It is important to remain casehardened in the face of adversity. （面对逆境，保持坚定不屈很重要。）

（1）淬火的（金属）；（2）坚硬而不易渗透的；（3）坚定不移的；（4）心如铁石的。