He used a radar to search for the ship.

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

He is a perfectionist, so he is very strict about his work.

He played a perfect fifth scale on the piano.

We held a round table meeting to discuss the new project.

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.