Pratice your listening skills on different levels. You can start with the basics and go for the harder ones as you progress in your understanding.

A2 https://learnenglishteens.britishcouncil.org/skills/listening/elementary-a2-listening
B1 https://learnenglishteens.britishcouncil.org/skills/listening/intermediate-b1-listening
B2 https://learnenglishteens.britishcouncil.org/skills/listening/upper-intermediate-b2-listening