Mr. Mashiwa is my best friend.

Sakakima is my best friend.

Mr. Azama is my best friend.

He was a bit dimwitted, so I had to repeat the explanation several times.

I really think he's a dimwit.

The summer vacation ended in the blink of an eye.

I like watching the lantern floating at the summer festival.

The train will arrive soon.

An arc discharge occurs when electricity passes through the air.

Interracial marriage promotes diversity and understanding.