I'm always busy during the daytime, and I only have time to rest at night.

He had been working overseas for an extended period of time.

Sakakima is my best friend.

The theory of spacetime is an important part of physics.

Mr. Azama is my best friend.

Mr. Mashiwa is my best friend.

The train will arrive soon.

I am majoring in French literature at university.

He likes to take a walk in the park at dusk.

He expressed a word of gratitude.