pretty well

adv

Synonym of pretty much (“almost completely; very nearly”) / Used other than figuratively or idiomatically: see pretty, well.

I understand pretty well what you're saying.

意味（1）

Synonym of pretty much (“almost completely; very nearly”)

That scene earlier pretty well destroyed my chances of getting the job.

意味（2）

Used other than figuratively or idiomatically: see pretty, well.

She plays the piano pretty well, having studied for six years.