He was in a sickbed for a long time.

His grandfather is suffering from Alzheimer's disease.

I decided to take a sick leave.

My grandfather passed away from tuberculosis.

When a leap second is added, the world's clock shifts by one second.

Day after day, he continued to strive to solve the problem.

Day after day, he continued to strive to solve the problem.

His '埶' expresses a deep affection for art.

His hiroi ago was broad, looking like an ancient warrior.

He read some books.