1. | [i][t] （使）变硬，硬化to become or make sth become firm, stiff or solid |
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 |
2. | [i][t] （使声音、面孔等）更严肃，更严厉if your voice, face, etc.hardens , or youharden it, it becomes more serious or severe |
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。 |
3. | [i][t] （使）更坚定，更强硬if sb's feelings or attitudesharden or sb/sthhardens them, they become more fixed and determined |
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。 |
4. | [t][usupass] ~ sb/sth/yourself 使变得无情；使不被打动to make sb less kind or less affected by extreme situations |
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。 |
