His voice felt very warm.

They (referring to women or girls) are my best friends.

Thanks to 'Oshiete-kun', I have become good at Japanese.

He was caught by the secret police.

He is rumored to be a member of a secret society.

He believes that there is a secret base on that island.

You must never show this secret key to anyone else.

She was wearing a new anklet on her ankle.

I went fishing for silver carp.

He was worn-out from work.