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.

He was able to escape from a matter of life and death situation.

He exercises every day to drive himself.

He is a famous author and a person who is respected by many people.

He often quotes proverbs in his conversation.

I don't know how to solve this situation.

He said, 'This problem cannot be solved.'

He usually takes care of his health.

If you are the other person, I feel relieved.

They were subjected to the enemy's counterattack.