He joked around and used vulgar language.

My great-grandfather was a leading painter in Japan when he was young.

He was hospitalized because of heart failure.

I am single and live alone.

My father had to move away from his family for work.

She is a wonderful nurse.

In this company, being late is not allowed as an unwritten rule.

He is facing the problem of erectile dysfunction.

In the next election, swing votes may determine the outcome.

In chemistry class, I learned about the reactions of acid anhydrides.