The varnish takes a few hours to harden.
清漆需要几个小时才能干透。
a method for hardening and preserving wood
硬化和保存木料的方法
Her face hardened into an expression of hatred.
她的脸沉下来，面带恨意。
He hardened his voice when he saw she wasn't listening.
看到她没在听他讲话，他声音严厉起来。
Public attitudes to the strike have hardened.
公众对这次罢工所持的态度已强硬起来。
Their suspicions hardened into certainty.
他们由怀疑变成肯定。
The incident hardened her resolve to leave the company.
这件事使她更加坚定了离开公司的决心。
Joe sounded different, hardened by the war.
乔让人觉得变了，因战争变得冷酷无情了。
They were hardened criminals(= they showed no regret for their crimes) .
他们都是死不悔改的罪犯。
In this job you have to harden your heart to pain and suffering.
做这项工作面对伤痛和折磨时你得保持沉着冷静。
1.使坚固,使变硬
2.使锻炼得坚强;使果断
3.使变冷酷;使顽固
4.(把飞弹基地等用水泥等加固或设在地下)使不受爆炸[热幅射]之害
5.变硬,凝固
6.变强硬;变果断
7.变严厉;变冷酷
8.(意见等)坚定;(行情等)看涨
1.使坚固,使变硬
2.使锻炼得坚强;使果断
3.使变冷酷;使顽固
4.(把飞弹基地等用水泥等加固或设在地下)使不受爆炸[热幅射]之害
5.变硬,凝固
6.变强硬;变果断
7.变严厉;变冷酷
8.(意见等)坚定;(行情等)看涨
1.哈登
1.to become hard or firm, or to make something hard or firm
2.to make someone become less affected or upset by unpleasant things so that they show less kindness or sympathy to other people; if your expression or voice hardens, you begin to look or sound unfriendly
3.to become strong, to make someone or something strong
4.if you harden your attitude, or if it hardens, you refuse to change it
1.to become hard or firm, or to make something hard or firm
2.to make someone become less affected or upset by unpleasant things so that they show less kindness or sympathy to other people; if your expression or voice hardens, you begin to look or sound unfriendly
3.to become strong, to make someone or something strong
4.if you harden your attitude, or if it hardens, you refuse to change it
1.Once the plastics harden and are removed from the molds, the fingers are ready to be hooked up to a base.
一旦塑料变硬，并去除掉模具，手指就可以连接到基座上了。
2.One day for fresh airthey put him in the garden. His face went deathly paleand his body began to harden.
一天他们把他带到花园去享受清新的空气，然而他的脸变得死灰，身体也开始变得僵硬。
3.The gods do not spoil a good man by too much tenderness; they prove him, harden him, and prepare him for Themselves.
诸神不会用太多温和宠坏一个好人；祂们会试炼他，使他坚强，并让他们为自己做好准备。
4.Paint one color at a time onto the surface of the mold and allow it to harden before moving on to the next color.
在模具表面每次着一种颜色，并让其在着下一种颜色前变硬。
5.Views about just how much trouble will harden after November's midterm elections.
11月的中期选举过后，对于他有多大麻烦将得出定论。
6.The floor of the forest was soft to walk on; the frost did not harden it as it did the road.
森林里边的地走起来软软的；冰霜还没有把它凝结得象山路那么硬。
7.Since a DMZ is the front line defense against potential intruders, special care must be taken to harden this server.
因为DMZ是防范潜在入侵者的第一道防线，所以必须特别注意加强此服务器。
8.revolves around the ability of a thermoplastic material to be softened by heat and to Harden when cooled.
注射成型的基本概念是使热塑性材料在受热时熔融，冷却时硬化。
9.He has said he would harden sanctions but has also held out the possibility of direct talks.
他曾表示，他将加大对伊制裁力度，但同时也表示不排除直接对话的可能。
10.Recommended substrate: Harden PC, harden PMMA, the surface of UV coating, electroplating layer, stainless steel, stone, marble, glass, etc.
适用基材：加硬PC，加硬PMMA，UV漆面，电镀面，不锈钢，石头，大理石，玻璃等。