harden

• God forbid that i should tell you to harden your hearts .
  上帝不容我对各位说要心狠手辣。
• Melted metal is poured into a mold to harden into shape .
  熔化之金属倒入模子中以冷却成形。
• Her pretty face strengthened and hardened on the instant .
  当时她美丽的面庞就坚定、强硬起来。
• The artificially hardened voice rose harshly and hung there .
  粗哑的假嗓音响了起来，在那里荡漾。
• I see that i am speaking in vain to a hardened heart .
  我明白了：对你这一副铁石心肠再讲也是白费。
• His heart was hardened because of his shame and disappointment .
  羞辱和失望使他的心肠变得冷酷起来。
• The lack of deep hardening in these alloys negates their use .
  这些合金缺乏深层硬化能力使它们无法利用。
• Practice had hardened me, and i grew audacious to the last degree .
  习惯使我的心硬化了，我胆大到极点了。
• A hardening agent mixed with the monomer will induce polymerization .
  固化剂与这种单体混合将引起聚合反应。
• I hardened my heart and took the smoke-rocket from under my ulster .
  我硬下心肠，从我的长外套里取出烟火筒。