He made a donation to the local school.

There is a watchdog at my house, protecting the safety at night.

He entered university to study architecture.

After all, he quit his job.

I had the honor of seeing your new project.

I spoke to my boss using humble language.

I booked an air ticket for my trip next week.

He couldn't admit his own prejudice.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

Understanding the concept of 'Ha-line conversion sounds' is important in learning Japanese.