My personal thought is that everyone should be treated equally.

He values his private life.

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.

The Panama Canal is one of the world's important transportation routes.

He is studying the history of the Balkan region.

Tomoe Naeko is my best friend.

I'm sorry, but I don't speak Japanese.