Examples of using "твёрдый" in a sentence and their english translations:
The nut is hard.
- It's solid as a rock.
- It's rock-solid.
The bread is as hard as a rock.
Nickel is a hard, bright silver metal.
Nickel is a hard, silver-white metal.
This bread is hard as a rock.
He is a tough cookie.
Ice is solid.
Nickel is a hard metal with a silvery luster.
- Tom has a strong personality.
- Tom has a strong character.
When the concrete is hard, we use an electric drill instead of a pin chisel.