The addition of cement or lime hardens the soil and greatly increases its compressive strength.

Clay hardens when it becomes dry.

粘土干了的时候就变硬了.

Fluid hardens to solid, solid rushes to fluid.

液体变硬为固体, 固体冲进液体.

While your bark grows thick and hardens.

当你的树皮变得又厚又硬.

You will not be lagging behind if you work harder.

你得努点儿力,才不会掉队.

Life was hard, and it became harder as the war progressed.

那时候生活很艰难，并且随着战争的持续愈发艰难了。

Special schools were hardest hit.

特殊教育学校是受打击最为严重的。

He's trying his best / hardest / utmost , ie as much as he can.

他尽了最大的努力.

He worked hardest but was paid least.

他工作最辛苦,但所得报酬却最少.

" Not being myself has always been my hardest trouble!

" 我最大的苦恼就是不能让自己自由自在地活着!

They're not the hardest people to serve.

他们可不是最难服侍的人.

You are a classic hardhead. Lighten up!

你是个典型的死脑筋. 开通点嘛!

Midwesterners are straightforward and unpretentious, with a reputation as resolute individualists who can be somewhat hardheaded.

中西部的人直截了当而不矫饰, 他们一向被认为是坚决的个人主义者,但可能有点固执.

If you weren't so hardheaded, maybe I could teach you something.

假如你不是那么顽固，也许我可以教你点儿什么。

We're really close to the restaurant.

原来hardheaded就是顽固.

The body was too badly mutilated to be identified.

这尸体支离破碎,难以辨认.

Haas identified the suspect by the scar on his face.

哈斯通过他脸上的伤疤辨认出他是嫌疑犯.

Listen to Me, O hardhearted ones , Who are far from righteousness.

12你们这些心中顽梗, 远离公义的,当听我言.

Crack my son over the head, will you, you hardhearted , murtherin'divil?

你打我儿子的脑袋, 是吧? 你这个冷酷的杀人魔鬼.

Similar fruit to Black Mission, but hardier and a smaller size tree than Mission.

类似加洲黑, 但比加洲黑强壮,果比加洲黑更小的尺寸.

Also needed is more investment in livestock research, such as breeding for hardier animals.

同时人们还要加大对家禽研究(例如培育适应性更强的品种)的投资.