Caseharden
vt. 使无情, 使表面硬化
✅ 同义词
🗣️ 情景例句
How can I forget?
怎么忘得了?
Don't forget to write to let us know you arrived safely.
不要忘记写信回来，告诉我们你已经安全抵达。
On the way, a young man waved to me.
途中，一个青年人向我招手。