hardens，意思是“变硬，硬化”，读音为[hɑːdərns]。

hardens的意思是“变硬，硬化”。

用法：Hardens通常指由于某种原因使物体由软变硬，如金属在空气中加热后就会产生harden现象。在生物学中，它也指生物体抵抗破坏的能力增强。

双语翻译：

1. The metal hardened when it was heated in air.

金属在空气中加热后变硬了。

2. Her resistance to stress has hardened with age.

随着年龄的增长，她承受压力的能力增强了。

中文翻译常见用法：随着时间的推移，他的体质变得越来越硬朗。

以上信息仅供参考，建议咨询专业英语人士获取更准确的信息。

hardens，意为“变硬，硬化”。

释义：当指物体时，表示“变硬，硬化”；当指精神状态时，表示“变得坚强”。

用法：用作名词时意为“人名”。例句：The weather has hardened the roads.天气使道路变得坚硬。

双语翻译：英语为“The weather has hardened the roads. The road is now very rough and difficult to drive on.”（天气使道路变得坚硬。现在这条路非常粗糙，难以行驶。）

常见短语：

1. harden oneself to sth. 对某事习以为常

例句：He had hardened himself to the reality of poverty.

2. harden one's heart 变得心硬

例句：He had hardened his heart and refused to help.

3. harden sth. (into sth.) 使某物变硬（成）

例句：The rain had hardened the mud into solid ground.

4. harden (sth.) (into) a habit 把（不良习惯）变成习惯

例句：Smoking has become a habit with him and he finds it hard to give it up.

5. harden one's resolve 使决心坚定

例句：The experience hardened my resolve to succeed.

6. harden one's resistance 使抵抗力增强

例句：The illness had weakened his resistance and he caught a cold.

7. harden one's skin 变得有抵抗力

例句：He had to learn to harden his skin and ignore the insults of others.

8. harden one's attitude 改变态度

例句：He decided to change his harden attitude towards smoking.

9. harden one's heart (against sb./sth.) (对某人/某事)变得冷酷无情

例句：She hardened her heart against him and refused to help him.

10. The weather has hardened the roads. The road is now very rough and difficult to drive on, but we must go on because we have no other choice.（天气使道路变得坚硬，现在这条路非常粗糙，难以行驶，但我们别无选择，必须继续前行。）