casehardened [
'keishɑ:dnd]
a. 经热处理变硬的, 无感觉的, 麻木不仁的
Casehardened \Case"hard`ened\, a.
1. Having the surface hardened, as iron tools.
2. Hardened against, or insusceptible to, good influences;
rendered callous by persistence in wrongdoing or
resistance of good influences; -- said of persons.