I couldn't understand his explanation because it was vague.

Microsoft's new software has been released.

He started his speech using a microphone.

Ogura Hyakunin Isshu is one of the classical literatures of Japan.

He is doing special exercises to strengthen his tensor fasciae latae.

Kan curled his hair with his fingers.

In my new project, I am using a microcomputer.

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

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.