Listen to English with different accents, this can help. But you can start with one accent first then build up. You could try and listen to the radio, podcasts music films whatever interests you.

To Gillian, thank you for your comment! I will try to listen to the radio and music. I understood I need to listen English much more !

To Clayton Davis, thank you for your comment. I will try to listen repeatedly!

To Alan, thank you for your comment. I also listen voa! I think voa is very helpful for English learners. I will try to standard voa ,too.

To Christina ,Thank you for you comment. I have never tried to learn from lyrics. It sounds good and easy to try!! And I'll also try to listen a audiobook.