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.

Well then, I'm off.

He admitted that it is difficult to execute the plan, saying 'it is easier said than done.'

In order to solve this unsettled question, everyone's cooperation is necessary.

The children were playing rock paper scissors in the park.