We will do our best to solve this problem.

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.

This new software maintains upward compatibility with the old version.

I wash my hair every day using a shampoo with conditioner.

I learned about the Klein bottle in math class.