He was forced to drop out of school due to poor grades.

He had to drop out of school because he broke the school rules.

He has a deep interest in literature.

I studied in the library with my schoolmate.

It takes 60 seconds for the second hand to go around once.

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.

My grandfather is suffering from Parkinson's disease.