He is spending money unreasonably.

I apologize for not contacting you for a long time.

He is a perfectionist, so he is very strict about his work.

He played a perfect fifth scale on the piano.

There are many voiceless sounds in Japanese.

This discussion is completely meaningless.

His talk was completely nonsense.

No problem, I will do that job.

She was sleeping in a defenseless state.

He was attacked in a sitting duck state.