In ancient Japan, samurai always had to be in the vicinity of a lord.

His car sped away at a seriously fast speed.

My daughter is currently studying at university.

I learned about electric flux in physics class.

Yamada's son is a very excellent student.

My son has become a doctor.

He ran away from that terrifying situation.

I want to learn the technique of speedreading.

He finished reading the book by speedreading.

He understood that it was necessary to obey the prison rules.