My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

He always keeps in mind the saying, 'those who do not work should not eat.'

I have been studying Japanese for six months.

He picked up a six-chambered revolver.

It's difficult to calculate the area of this hexagon.

We have a responsibility to protect this world.

I wake up at six o'clock every day.

Souroku is my best friend.