Mr. Hatanaka is my best friend.

He is in the middle of studying for the exam.

He is in the midst of studying for the exam.

Mr. Nakai is my best friend.

I was surprised when I saw his dirty room.

I bought new at-home clothes.

The adult son who still lives at home is causing trouble for his parents.

The room rent is too high, so I'm looking for a new apartment.

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

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