坚硬和软用英语怎么说？？？

坚硬:
1. hard
2. solid
Relative explainations:
<flintiness> <indurate> <rigidness> <rigidity> <stiffness> <solidity> <solidness> <adamancy> <adamant> <rocklike> <hardness> <rigid> <steel>
Examples:
1. 黑檀树是一种黑色而坚硬的树木。
Ebony is a hard black wood.
2. 金刚砂是非常坚硬的金属物质。
The emery is a hard metallic substance.
3. 烧热的钢淬火使它坚硬。
Hot steel is quenched to harden it.
4. 冰象石头一样坚硬。
The ice is as hard as rock.

坚硬的岩石
sound rock
坚硬的颚
a jaw of flint.
钻穿坚硬的岩石
bore through solid rock
不会碎裂的坚硬蛋糕
a solid cake that won't crumb.
不会磨损的坚硬表面
a hard surface that won't scuff
一种木质坚硬的树
a hard - woodedtree
肯特郡产坚硬砂质石灰岩
Kentish rag
海龟有着坚硬的壳。
A turtle has a hard shell.
有一层坚硬冰面的雪
snow with a firm crust.
坚硬的土壤；难以除去的污点
stubborn soil; stubborn stains.