I like listening to music.

He taught me his knowledge about the job.

I am applying the knowledge I gained from this book to my life.

He is a very famous musician.

He is proficient in that technique.

He is a very famous musician.

He understood a lot from that experience.

I am majoring in phonetics at university.

He made an indiscreet remark and troubled those around him.

His indiscretion greatly damaged his reputation.