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.

Mesopotamia is known as the cradle of ancient civilization.

In chemical experiments, we use a graduated cylinder to measure the exact amount of liquid.

My dog is very smart.