That unsolved case keeps him awake at night.

This is completely unexperienced for me.

Minors are legally prohibited from drinking alcohol.

Michi is my best friend.

This area is still undeveloped and rich in nature.

This area is still undeveloped.

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

He is always grumbling about trivial things, it's really annoying.

There are no words to describe that beauty.

Since he is still a green hand, he may make many mistakes.