He went through great hardship to complete the project.

He experienced great hardship to complete the project.

He is majoring in psychology at university.

I will go to the hospital for a medical examination and treatment today.

The invaders took away our peace.

My spouse is a doctor.

What is his disease name?

Hansen's disease is a disease with very weak infectiousness.

He was confined to his sickbed for a long time.

If you don't get regular dental check-ups, you may develop periodontitis.