Cyanide substances are very dangerous.

The sky in this picture is painted in cyan.

This road is dangerous, so please be careful.

Please avoid this road because it's dangerous.

Sodium cyanide is widely used in the extraction of metals and the manufacture of electronic components.

It is a very beautiful view.

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

What is this material made of?

He has the ability to change into a wolf.