He is a foreigner, so he finds it difficult to learn about Japanese culture.

The company suffered from damage caused by unfounded rumors.

He injured his arm in a workplace accident.

He was arrested for obstruction of public duties.

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.

I gargle every night before going to bed.