He was surprised to find a dead body.

You can defeat this monster with a one-hit kill.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

He chose euthanasia to be freed from the pain of his illness.

He died from overwork.

Yoroshiku, please do your best to pass the exam tomorrow.

He decided to apply euthanasia to his sick dog.

The deathwatch beetle is known for eating wood.

The idea for his new project came from nature.