This is completely unexperienced for me.

He is still an immature pianist.

This painting is still incomplete.

Miho is my best friend.

That information is not yet verified.

Are you really not going to use this unused laptop?

He is said to be an unbeliever.

That issue is still unsettled.

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

The People's Democratic Republic of Yemen was once an existing country.