| Gb | Eng |
|---|---|
| 金刚砂是非常坚硬的金属物质。 | The emery is a hard metallic substance. |
| 冰象石头一样坚硬。 | The ice is as hard as rock. |
| 运动员护身一种运动员用的护身弹性织物，有用保护性的坚硬塑料或金属制成的加强层 | An athletic supporter having a protective reinforcement of rigid plastic or metal. |
| 黑檀树是一种黑色而坚硬的树木。 | Ebony is a hard black wood. |
| 烧热的钢淬火使它坚硬。 | Hot steel is quenched to harden it. |