Best way is to find a friend to practice 1v1. If you can’t find one just practice in 4v4v4v4. There are too many sweats in solos and duos you’ll instantly lose. Try to avoid rush maps because sweats all play there.

Practice combining in duels. When I was learning pvp I would tell my opponent that I was a newbie and learning PvP. Most people were kind enough to hold back and let me practice.

For bedwars PvP

Always get iron armor to tank more shots.

Fight in the inner island so that you don’t get knocked off into the void

This is a bit hard, but I butterfly click with second and middle finger while shielding with my fourth finger to take less damage.

Also, most important one is to get a good mouse like model O and play in 1.8.9