He starts biting his nails as soon as he feels stressed.

My dog likes to nibble gently.

He nervously gave my hand a gentle bite.

He forced the dog to clamp the leash with its teeth.

After failing, he blamed himself and was biting his own navel (figuratively expressing deep regret).

He likes to take a walk in the park at dusk.

There is a proverb, 'a cornered rat will bite a cat,' which means that a person driven into a desperate situation will fight back even against an opponent they would normally fear.

We should always remember the power of Kannon in difficult times.

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.