I'm very nervous about today's match.

His running speed is surprisingly fast.

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

The police officer is measuring the speed of the car with a radar gun.

He is running at high speed.

This new train moves between cities at high speed.

He treats us as a big friend.

He won in the singles match.

There is a speed bump on this road, so please be careful when driving.

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.