He was born as an illegitimate child and experienced many difficulties.

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 is good at playing the guqin.

I am learning Old English.

This antique clock is a keepsake from my grandfather.

This old document is very important for understanding our history.

Archaebacteria are one of the oldest life forms on Earth.

Mr. Furukyo is my best friend.