adj.冷酷的；麻木的；有核防护设施的
动词harden的过去式和过去分词.
They were the deeds of a hardened criminal. 这一切是一个惯犯干的。
They had been hardened to the horrors of war. 他们对战争的恐怖已变得麻木不仁了。
The millionaire's mind was hardened against pity. 那个百万富翁铁石心肠，冷酷无情。
I'm quite hardened to the cold weather here now. 我现在对这儿的寒冷气候已习以为常了。
adj.表面硬化的；定型的；无感觉的；麻木的
