He seemed a little nervous.

What is at the bottom of this lake?

He searched for the gem that sank to the bottom of the water.

He searched for the gem that sank to the bottom of the water.

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

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

Using the private railway makes commuting very convenient.

We respect Japanese culture.

We are going on a trip tomorrow.

He holds a personal grudge against me.