The sound gradually attenuates.

This microphone has less sound attenuation.

He gradually improved his Japanese.

This audio is very clear.

The sound was so quiet that I could hardly hear it.

Learning about the history of the Uyghurs is very interesting.

Because that book is popular, the publisher decided to reissue it.

Everyone acknowledges her talent.

He was awarded the rank and order of merit for his achievements.

He has gone completely crazy.